WFR怎么记

In this paper, Populus ussuriensis wood was modified with fire retardant WFR J1. The properties of fire retardant, dimensional stability and painting performance of the modified wood were determined.

用阻燃剂WFRJ1处理大青杨木材并对处理材的阻燃性能、涂饰性能和体积稳定性进行测定。

Objective: To validate the food frequency questionnaire ( FFQ) with3d weighted food record ( WFR) in assessing the dietary energy and nutrients intake.

目的：食物频率问卷法（FFQ）问卷评估人群膳食能量和营养素摄入量的准确性进行验证。

Similarly, semiconductor equipment maker MEMC electronic materials ( Wfr) purchased$ 100 million of its shares near their peak of$ 90 in 2007.

同样，2007年，半导体设备生产商美商休斯电子材料公司（MEMC Electronic Materials）斥资1亿美元，在其股价达到每股90美元的最高价时，回购公司股票。