When you are devising a long-term water source for your garden, plan for the type of water feature that birds adopt most quickly: a shallow, rough-bottomed pool of still water.
当你计划在院子里给鸟类提供一个长期的饮用水源时，你应该将它设计成最易于为鸟类所适应的——它应该是浅的、具有粗糙硬底的静水。
Shallow earth temperature is influenced by surface temperature change everyday and every year, topographic change, elevation change and surface feature change, so it should be corrected.
浅层地温受到地表气温的日、年变化、地形变化、高程变化和地貌变化等的影响，应对实测值进行相应校正。
It is necessary to ascertain developing regulation and scattering feature of the shallow karst cave in order to effectively appraise unstable factors brought by hidden karst terrain.
为有效评价隐伏型岩溶地段带来的不稳定性因素，有必要查明区内浅层溶洞的发育规律及分布特征。
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