Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ).锕类任何化学性质相似, 原子序数在89 ( 锕 ) 与103 ( 铹 ) 之间变化的放射性元素.The extraction mechanism and separat...
兄弟几个总是要到正午前后才姗姗来到工作室。The brothers usually roll into their studio around midday.天很热，正午的阳光下，温度高达近90华氏度。It was hot, nearly 90 degrees in the noonday sun.列车正午到达。The train arrives at midday....
我的花啊, 不要在愚人的钮扣孔里寻找你的乐园.My flower, seek not thy paradise in a fool's buttonhole.需要注意翻领和钮扣孔地方,不需要做好!Lapel and buttonholes did not look their best and needed care and attention....
红外系统应灵活选择不同类型的微型杜瓦瓶和致冷器(机).The paper describes the application of miniature dewar and cooler in infrared system.一种制造多电极杜瓦瓶用的固定张力布线仪已研制成功,这种杜瓦瓶是红外焦平面成像探测所必需的.Equipment of wiring with fixed tension on Dewar bottle to detec...
Equation between inter - yarn air permeability and parameters of fabric structure was deduced based on Hagen - Poiseuille hydromechanics.利用哈根伯肃叶定律,推导出机织物的纱线间孔隙透气量与织物结构参数的关系式.Equation between inter - yam air permeability ...
He flinched at the sight of the blood.他一见到血就往后退。Fache flinched, his eyes riveted on the second agent.法希毫不畏缩, 他的眼睛一动不动地注视着那名特工.He flinched, but didn't stop pulling Fred to safety.他缩成一团, 但还是坚持把佛瑞德往安全的地方拖....