| 单词 | 因子 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔R factor〕A genetic factor of bacteria that transmits resistance to antibiotics from one bacterium to another by conjugation.R因子：一种细菌基因因子，通过接合将对抗生素的抵抗性由一个细菌传递给另一个美国传统〔Rh factor〕Any of several substances on the surface of red blood cells that induce a strong antigenic response in individuals lacking the substance.猕因子，Rh因子：红血球表面上任一种物质，能在缺乏这种物质的个体中诱发强烈的抗体反应美国传统〔Rh-negative〕Lacking an Rh factor.Rh阴性的：缺乏Rh-因子的美国传统〔Rh-positive〕Containing an Rh factor.Rh一阳性的：含有-Rh因子的美国传统〔Rhesus factor〕Rh factor.Rh因子，猕因子美国传统〔X-chromosome〕The sex chromosome associated with female characteristics, occurring paired in the female and single in the male sex-chromosome pair.x染色体：携带雌性因子的性染色体，通常在雌性性染色体对中有一对，而在雄性性染色体对中只有一个美国传统〔accessory〕Forster established the essentiality of minerals as accessory food factors required for maintaining life.福斯特证实了矿物质作为辅助食物因子在维持生命方面的重要性。柯林斯高阶〔activin〕A polypeptide growth factor that is synthesized in the pituitary gland and the gonads and stimulates the secretion of follicle stimulating hormone.活化素，促进抑制素：一种多肽生长因子，在垂体和性腺中合成并刺激促卵泡激素的分泌美国传统〔cancel〕To remove (a common factor or term) from both sides of an equation or inequality.约去；消去：从一个方程式或不等式的两边去掉（一个公因子或公共项）美国传统〔cancel〕To remove (a common factor) from the numerator and denominator of a fractional expression.约分：从一个分数表达式的分子和分母去掉（一个公因子）美国传统〔colicin〕Any of various antibacterial proteins produced by certain strains of the colon bacillus that are lethal to other closely related strains of bacteria.大肠杆菌素：一种由某种结肠杆菌菌株制成的抗菌蛋白，是其他密切相关的菌株的致死因子美国传统〔colony stimulating factor〕A hormone produced in the cells lining the blood vessels that stimulates the bone marrow to synthesize white blood cells.集落刺激因子：由沿血管排列的细胞所产生的激素，刺激骨髓合成白血球美国传统〔common factor〕Three is a common factor of 18 and 24.3是18和24的公因子。剑桥高阶〔composite〕Mathematics Having factors; factorable.【数学】 可分解的：有因子的；可分解的美国传统〔conversion factor〕A numerical factor used to multiply or divide a quantity expressed in one system of units in a conversion to another system.转换因子：在把一个数量从一种单位制换算成另一种单位制的过程中被这个数量乘或除的数值因子美国传统〔corepressor〕A substance that combines with and activates a genetic repressor, thus preventing gene transcription and inhibiting protein synthesis.辅阻遏物：一种与遗传阻遏物质结合并使其活跃的物质，以此来抑制遗传因子转录和阻止蛋白质的合成美国传统〔determinant〕Immunology The portion of an immunogenic molecule with which an antibody or lymphocyte reacts.【免疫学】 免疫因子：与抗体或淋巴细胞反应的免疫基因分子美国传统〔extrachromosomal〕Occurring or operating outside the chromosomes.外因子控制的：由染色体外的因子所确定或控制的美国传统〔factorize〕To factor.将…分解因子美国传统〔factor〕Haemophiliacs have no factor 8 in their blood.血友病患者的血液中缺乏凝血因子 VIII。牛津高阶〔gamma-interferon〕A lymphokine produced by macrophages and T cells that is involved in regulation of the immune system and activation of phagocytes.γ干扰素：巨噬细胞和T淋巴细胞产生的淋巴因子，能调节免疫系统和活化吞噬细胞美国传统〔gene〕His genes are good.他的遗传因子很好。(指其父母身体健康且智能优良)英汉大词典〔growth factor〕A substance that affects the growth of an organism.生长因子：影响有机体生长的物质美国传统〔lymphotoxin〕A lymphokine that is toxic to certain susceptible target cells.淋巴毒素：对某些脆弱的目标细胞有毒的淋巴因子美国传统〔monohybrid〕The hybrid of parents that differ at only one gene locus, for which each parent is homozygous with a different allele.单因子杂种：杂交的双亲只有一个基因位置不同，对它来说，每个亲本是有一个不同的等位基因混合的美国传统〔mutagen〕An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism.诱变剂：有机体中的一种可诱发或者增加突变的次数的因子，如紫外线或放射性元素美国传统〔nerve growth factor〕A protein that stimulates the growth of sympathetic and sensory nerve cells.神经生长因子：刺激交感神经细胞生产的蛋白质美国传统〔operator〕A chromosomal segment of DNA that regulates the activity of the structural genes of an operon by interacting with a specific repressor.DNA中的染色体元素：DNA中的染色体，它是通过与一特殊的约束因子相互作用而控制遗传子结构基因的行为美国传统〔oscillate〕She oscillated for her children.她因子女的问题而犹豫不决。21世纪英汉〔peg at〕The wind chill factor was pegged at a bone-chilling minus 27 degress.风寒因子测定为严寒彻骨的零下27度。21世纪英汉〔positive〕My blood type is O positive.我的血型是 O 型 Rh 因子呈阳性。剑桥高阶〔procoagulant〕The precursor of any of various blood factors necessary for coagulation.前凝血剂：血液凝结所必须的凝血因子的凝血酶原美国传统〔pseudogene〕A segment of DNA resembling a gene but lacking a genetic function.假遗传因子：DNA（脱氧核糖核酸）的一部分，类似于遗传因子但没有其遗传功能美国传统〔releasing factor〕Any of several hormones secreted by the hypothalamus that stimulate the anterior part of the pituitary gland to release certain hormones.释放因子：由正脑下部分泌的几种荷尔蒙的任何一种，刺激垂体的前部释放某种荷尔蒙美国传统〔replicon〕A genetic element that undergoes replication as an autonomous unit.复制子：一种作为自动单元进行复制的遗传因子美国传统〔resistance transfer factor〕R factor.耐药性因子美国传统〔rhesus factor〕People whose blood contains the rhesus factor are rhesus positive (Rh+) and those whose blood does not contain it are rhesus negative (Rh-).血液中含有猕因子的人属猕因子阳性（Rh+）人群，不含猕因子的属猕因子阴性（Rh-）人群。剑桥高阶〔rheumatoid factor〕An immunoglobulin present in the blood serum of many individuals affected by rheumatoid arthritis, used as a means of diagnosing the disease.风湿病因子：出现在许多被类风湿性关节炎侵袭的个体血浆中的免疫，用作诊断这种疾病的工具美国传统〔sigma factor〕A protein component of RNA polymerase that determines the specific site on DNA where transcription begins.Σ因子：核糖核酸聚合酶的蛋白质成份，决定脱氧核糖核酸转录开始的特定位置美国传统〔sigma〕A sigma factor.Σ因子美国传统〔spindle〕Biology The spindle-shaped achromatic structure, composed of microtubules, along which the chromosomes are distributed in mitosis and meiosis.【生物学】 纺锤体：一种由丝状因子组成的纺锤形的非染色质结构，在有丝分裂及减数分裂时染色体就沿其排列美国传统〔transfer factor〕A polypeptide secreted by lymphocytes that is capable of transferring immunity from one cell or individual to another.转移因子：一种由淋巴细胞分泌的多肽，能把一种细胞或个体的免疫性转到另一种细胞或个体中美国传统〔tumor necrosis factor〕A protein produced by macrophages in the presence of an endotoxin and shown experimentally to be capable of attacking and destroying cancerous tumors.肿瘤坏死因子：当体内有内毒素时，巨噬细胞产生的一种蛋白质 ，有实验表明，能够攻击并毁灭癌瘤美国传统〔vinyl〕Any of various compounds containing the vinyl radical, typically highly reactive, easily polymerized, and used as basic materials for plastics.含乙烯基的化合物：含有乙烯基因子的化合物之一，典型地具有高度活性，易被多结构化，是用作塑料制作的基本材料美国传统You can factorize twelve as 12 x 1, 6 x 2, or 3 x 4, but you can only factorize seven as 7 x 1.你可以把12用因子相乘表示为12×1，6×2或3×4，但7只能表示为7×1。剑桥国际 |
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