... air intake in mined area 采空区进风 field plastic film mulching 地膜覆盖 jurisprudential 法律学的 ...
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Underground water quality in rice field under plastic film mulching cultivation was monitored during rice growth period.
对水稻覆膜旱作条件下稻田地下水水质变化作了动态检测。
The field trial of plastic film mulching on dryland spring wheat was conducted in the semiarid region of Loess Plateau.
在黄土高原半干旱地区，对旱地春小麦进行短期地膜覆盖试验。
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