1. They are competent for designing this type of machine. 设计这种类型的机器他们是能胜任的。
2. When designing the program relate to a database, the operation is necessary that adding data, deleting data, updating data and querying data. 设计与数据库相关的程序时，实现对数据库记录的添加、删除、更新和查询等操作是不可避免的。
3. The addendum coefficient is an important parameter in the designing the gear, and to affect the discharge characteristic of compound gear pump. 齿顶高系数是设计齿轮时的重要几何参数，也是影响复合齿轮泵流量特性的重要参数之一。
英英解释
n.
1. the act of working out the form of something (as by making a sketch or outline or plan)
2. concealing crafty designs for advancing your own interest
