不可否认的是，气候变化着实为农业产量的估算增加了很大程度的不确定性，但那正突出了通过监管和调查研究来改进预测的重要性。
Admittedly, climate change adds a large degree of uncertainty to projections of agricultural output, but that just underlines the importance of monitoring and research to refine those predictions.
必须坚持改进工作作风，精简会议，减少文件，把更多时间和精力用于深入基层，调查研究。
We must continue to improve our work style, reduce the number of meetings and documents, and put more time and energy into going down to the primary level to do investigations and research.
作者在调查研究的基础上，对油田用150型砂泵轴封结构及泵的整体结构提出了设计改进方案。
On a basis of investigations and studies, an improved design for the shaft sealing structure and the integral structure of Model 150 Slurry Pump is worked out in this article.
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