chw

chw

1

However , this damage can be repaired by adding polyurethane CHW .

加入聚醚类聚氨酯CHW可修复由此带来的损伤。
2

A community health worker ( CHW ) is a layperson who acts as a liaison between residents of a particular community and the health-care system .

社区卫生工作者是个行外人，只作为一个特殊社区里的居民与卫生保健系统之间的联系。
3

For the moderately degraded grasslands , if plant crown height-to-width ratio ( chw ) was invariant , when 45 °≤ solar zenith angle ( sza )≤ 75 °, no significant differences occurred in scene reflectance ( R ) for different plant crown shapes ;

对于中度退化草地，在高度与冠幅之比（chw）不变的情况下，当45°≤太阳天顶角sza≤75°时，不同几何形状植株的总反射率之间无显著差异；