Transposable elements, or insertion elements, are dna sequences which can be inserted into many different sites in chromosomes . 转位因子或插入因子是能够插入到染色体不同位点的DNA序列。
He had a wonderful light touch, peppering his talk with puns, epigrams, and allusions to russian literature . 他具有非常轻松愉快的特征，在讲话中不断地插入双关俏皮话、警句和俄罗斯文学中的典故。
The fact that the ice actually is moving can be readily proved by driving a straight row as stakes across the glacier . 冰川确实是在流动的这一事实，很容易通过在冰面上插入一批笔直的标桩来证明。
Desalination is carried out by simply lowering into the ocean a long, hollow pipe capped at the lower end by a semipermeable membrane . 用一根长空心尼龙管插入海水里，并用半透膜封住较低的一端来进行海水淡化。
The chimaeric molecule, containing the vector dna and inserted foreign dna, is introduced into bacterial cells where it multiplies . 含有载体的DNA以及插入的外源基因的杂合子，被引入细菌细胞，并且在其中增殖。
The sample should be collected in the same manner that is used to obtain a sample for dissolved oxygen i. e. by using a submerged tube or pipe inlet . 用与分析溶解氧同样的取样方法，即用一根浸没水中的管子或插入导管排除空气泡。
This recent instrument includes a built-in fabry-perot interometer calibration unit with an automatic daily recording of a calibration signal . 这种最新仪器包括插入式的法布里-珀罗干涉仪定量部件，可以每天自动记录一次定量讯号。
Ayres studied coronary flow and myocardial metabolic response to a cute elevation of cohb in man during diagnostic cariac catheterization。 艾尔斯研究了诊断中施行导管插入术期间人的冠状动脉血流量和心肌代谢对一氧化碳急剧上升的反应。
Episome is an additional genetic element that can exist either as an autonomous entity or be inserted into the continuity of the chromosome of a host cell . 附加体是能插入寄生细胞连续的染色体之中，也能以自主实体而存在的一种附加遗传因素。
When a patient needs to use a kidney machine, surgeons stitch a small tube into a suitable place in his body--usually either in his forearm above the wrist or in his leg . 当患者需要使用人工肾时，大夫在患者身体的适当部位，一般是在腕关节的前胳臂和腿上插入一个小管子。
