已知的例句（已知在句子中的用法）

• I just took it for granted that you had been told about this. 我只是认为你已知道了这件事。
• It is difficult to relate these results with any known cause. 很难把结果与任何已知原因联系起来。
• a medieval map of the known world 中世纪的已知世界的地图
• Scientists have known how to harness the limitless power of the sun. 科学家们已知道如何利用无穷尽的太阳能。
• Jack used to be a thief, but now he's seen the error of his ways and is trying to rebuild his life. 杰克过去是小偷, 但是现已知过能改重新做人了。
• Almost all of the techniques that microbiologists use are customized for life as we know it. 几乎所有微生物学家采用的技术都是根据已知生命量身定做的.
• Phylogenetic trees show that there are 64 MADS - box genes encoding different proteins, including 46 cDNA sequences. 结果表明,水稻中有64个MADS-box基因编码不同氨基酸, 其中已知cDNA序列的为43个.
• In an experiment, a beam of known intensity impinges on a target. 在实验中, 用已知强度的粒子来击轰靶.
• Human cadavers were the only known source of hGH, and demand was intense. 人类尸体是hGH已知的惟一来源, 而且需求广泛.
• There are over 600 known carotenoids ; they are split into two classes, xanthophylls and carotenes. 有超过600种已知的类胡萝卜素,可以分为两类:叶黄素和胡萝卜素.
• It had been known for some time that chemical reactions can be catalyzed by materials with large surface areas. 人们早已知道，如果材料的表面积足够大，可引起催化反应。
• Lead was one of the metals known to the ancient world. 铅是早在古代就已知的金属之一。
• In mammalian species, a variety of chromosomal rearrangements are known to exist. 在哺乳类的物种中, 已知有许多类型的染色体内部重新排列.
• Unauthorized users may use IUSR _ machinename account the context of the space access any known file. 未经授权的用户可能利用IUSR_machinename账号的上下文空间访问任何已知的文件.
• New genome shares many features with other known lepidopteran genomes . It differs however for its Aandskew. 新的基因组与其他已知的股份鳞翅目昆虫基因组的许多功能.
• The gap between the now knowable and unknowable is vast. 现已知与未知之事间的距离极大.
• People usually infer an unknown fact from a known fact. 人们通常从已知的事实中推断未知的事实.
• Humic substances are known to coat membrane filters. 腐殖质是已知能够覆盖滤膜的物质.
• His estimate of half a million HIV positive cases was based on an extrapolation of the known incidence of the virus. 他估计有50万个HIV阳性病例，这是根据已知的病毒感染率作出的推论。
• Epinephrine is one of the most potent vasopressor drugs known. 肾上腺素是已知最强的升压药之一.