成都科技大学的前身是成都工学院，成都工学院始建于（）年。

Consonant sounds can be either （）or（）,while all vowel sounds are （）.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

A （）can give power to hoist or lower cargo.

LIN协议是以广泛应用的SCI为基础定义的。

The insert point or（ ）show you where can enter date next .

Excessive lube oil consumption can result from worn or broken（）

LIN可定义为低于CAN的通信层。

The nozzle of a gasoline hose or can should be kept（）.

Never（）the lifeboat or lifecraft disengaging locks or hydrostatic release gears because it can cause them to fail to function.

Never（）the lifeboat or lifecraft disengaging hocks or hydrostatic release gears because it can cause them to fail to function.

802.15.4/ZigBee是无线传感网领域最为著名的无线通信协议。ZigBee主要定义了短距离通信的物理层以及链路层规范，而802.15.4则定义了网络层、传输层的规范。