rarely是什么意思

用法例句

The performance research of airtight valves based on the method of TRIZ and AD;

基于TRIZ和AD方法的密闭阀门性能研究

The Change of APP Cleaveing Enzymes and Its Mechanism in Rats with AD;

AD大鼠淀粉样蛋白前体裂解酶的改变及其机制的实验研究

The Effect of Transplantation of Marrows Stroma Cells Modified with NT_4-GFP-gene into Brain of AD Rats on the Behavior and P50;

NT_4-GFP转基因骨髓基质干细胞脑内移植对AD大鼠行为学及P50的影响

The aerosol deposition(AD) method,which falls into the category of thermal spray technique,is a coating preparation method that has come into being just recently.

气浮沉积法简称AD法,是一种新近开发的表面涂层制备方法,属于热喷涂技术范畴。

The Research of Wireless Network of Mine Sensor Based on Ad hoc Technology and Its Design;

基于Ad hoc技术的矿井无线传感器网络的研究与设计

Research on QoS Based Multiple Path Routing Protocols in Ad Hoc Networks;

Ad Hoc网络QoS多径路由协议的研究

Practical approach to Ad hoc based on Bluetooth and its experimental system;

一种基于蓝牙的Ad hoc实用方案及其实验系统

Orthogonal Experiment Design Applied to Optimize the Formulation and Procedure in the Preparation of Vitamin AD Microcapsules;

用正交设计实验优选Vitamin AD微囊制备工艺