单作（sole cropping）指在同一块田地上种植一种作物的种植方式，也称为纯种、清种、净种或平作。
... oncolysis 瘤细胞溶解 one crop system 单作 one dimensional correlation 一维相关 ...
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单作用滑片泵 single action vane pump ; single cell vane pump
单作用活塞泵 single action piston pump
单作用定位器 single acting positioner ; single arm measurement
单作用压缩机 acting compressor ; [机] Single-acting compressor
单作用叶片泵 single-acting vane pump ; acting vane pump
单作用离合器 Dual-stage Clutch
双级单作用压缩机 two-stage single-acting compressor ; acting compressor
单作用 SPRING RETURN ; Single acting
单作用和双作用 Double acting and spring return
The crop coefficient of intercropping system lies between corn monocropping and soybean monocropping,in addition,its degree of agreement between water demand and level of precipitation is better.
此外间作模式作物需水量与降水量的吻合程度好于单作。
参考来源 - 辽西半干旱区玉米/大豆单间作田间耗水规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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