英语翻译

问题描述:

英语翻译
Predawn (wpd) and midday (wl) leaf water potential (wpd) were measured
on one leaf of H.lanatus per plot using a portable pressure
chamber (PMS Instruments Co.,Corvallis,OR,USA).
3Q~

日出前(wpd)和正午(wl)的叶水势(wpd)是由分别于两个时间在每个样地内采摘一片H.lanatus的叶子,用可携带式压力室仪器(PMS Instruments Co.,Corvallis,OR,USA)测量而来的.