baseline monitoring

基本解释

Good baseline data and regular monitoring of changes are needed to support both of these objectives.
为支持实现这两个目标，我们需要高质量基线数据并定期监测情况变化。
This report provides all countries with a baseline for monitoring epidemiological trends and assessing the progress they are making to address noncommunicable diseases.
这份报告为所有国家监测流行病学趋势并且评估为解决非传染性疾病所取得的进展提供了基线数据。
The objective of the baseline monitoring work is to detect change in underlying environmental conditions and species populations to act as a warning system against any adverse impacts.
基线监测工作的目的是要监测潜在环境情况和种群的转变，以作为防避所有负面影响的警告系统。

The impetus for the creation of a coordinated observing system to provide baseline data and ensure sustained monitoring came from IOC in the late 1980s and resulted in the creating of the Global Ocean Observing System (GOOS) in 1991.
UNESCO: World Water Assessment Programme (WWAP)
Impartial third-party monitoring from an initial baseline level of forests is essential for the real success of the programme, along with a willingness to withhold payments to countries who do not comply.
ECONOMIST: Letters