More than 3,000 police officers were wounded in the line of duty last year.去年有3,000多名警察因公受伤。Officers and men perform their assigned duties conscientiously.将士用命.He flew the prototype to West Raynham to demonstrate it to a...
Officers were going to retake sectors of the city.军官们打算重新夺回该市的防御区。He is loathed by some of the more traditionally minded officers.他为某些思想较守旧的官员所憎恶。A minority of officers were prepared to bend the rules.少数官员准备篡改规则。...
采用新的管式反应器装置代替釜 式 反应器,将生产7-ADCA和7-ACA的副产物六甲基二硅醚有效地转化成了三甲基氯硅烷.Trimethylchlorosilane was prepared from hexamethyldisiloxane, by - product in producing 7 - ADCA and 7 - ACA.以三甲基硅醚和氯化氢气体为原料, 浓硫酸为催化剂合成了三甲基氯硅烷.Chlorotrimethylsi...
的确曾有一架德国轰炸机自动地在德文郡降落.Certainly one German bomber landed voluntarily in Devonshire.同样, 当单击这个人的电子邮件地址时,就可以自动地调用电子邮件程序.Likewise, clicking on the e - mail address in the address book could launch the mail application.但是, 我们不...
这叫做仿射交换.This type is called affine.摘要本文研究了关于投影体的中心仿射不变量比的问题.This paper concerns the ratio of centro - affine invarients for a projection body.用仿射变换的方法图解空间几何问题对,在图解圆与椭圆之间的转换过程中确定长短轴是解题的关键.This paper discribes the method o...