将“measuring"翻译成中文

Measure thrice, cut once.

三次测量,一次切除。

Often, when pollution is first detected in groundwater, very few spatiotemporal pollutant concentration measurements are available.

通常,当地下水中首次检测到污染时,时空污染含量测量数据非常少。

Contamination by toxic chemicals during floods is theoretically possible but no verifiable correlation has been observed or measured so far.

在理论上,洪灾期间发生有毒化学品污染是可能的,但迄今未观察到或测定确凿的联系。