He has been brought up not to swear in front of women.他从小就被教育不要在女性面前说脏话。Many people swear by vitamin C's ability to ward off colds.许多人深信维生素C能预防感冒。I swear I've told you all I know.我发誓我已经把我所知道的全都告诉你了。...
本文介绍了双螺杆挤压机的模拟分析的方法.This article introduces simulation analysis methods of twin - screw extruder.应用结果表明,该系统满足设备要求,为单螺杆挤压机的研制提供了参考依据.This paper introduced application of intelligent computer control system in single - scr...
The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。The after effect occurs only if the additive is present during irradiation.在辐照过程中只有当添加剂存在时才出现后效应.Early lesions can be succes...