This paper describes the principle of microprocessor ultrasonic range finder.主要介绍微电脑超声测距仪的工作原理.A Control System of VVVF Elevator with Single Chip Microprocessor and PLC.PWM逆变器 型交流电梯紧急自动疏散系统.I’ve got a typerwriter with a ...
to ionize radiation电离辐射Weak alkalis ionize partly ( ionize ) in water to give hydroxide ion.弱碱 在水中部份电离,放出氢氧离子.Most inorganic salts ionize in water solution.大多数无机盐在水溶液中离解.Weak acids ionize partly ( ionize ) in water to gi...
她着手批改我的作文.She undertook to revise my compositions.备课和批改学生的作业花费了他很多精力。It took an extraordinary effort to focus on preparing his classes or correcting his students' work.如果大家互相批改作业，别人便不会给你扣分，因为你随后也能给他们扣分。If you mark e...
A survey of 57 hospitals by Newchurch, a consultancy, reveals striking improvements.一家名为纽彻奇的咨询公司对57家医院所作的调查显示改善十分明显。Approximately $150 million is to be spent on improvements.大约1.5亿美元将用于作出改善。We are seeking continuous, inc...