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economic batch quantity相关的网络例句

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与 economic batch quantity 相关的网络例句 [注:此内容来源于网络,仅供参考]

But along with the social economy development, the vegetables consumption quantity is daily increased, the great scale of the greenhouse vegetables production is higher and higher day after day and a special reason is benefit actuation. It emerges one batch of vegetables types relatively sole specialized production base one after another, which causes the original cropping system to disintegrate objectively, the farmer who is engaged to run some specific vegetables production is increased day by day, the vegetables type are restricted frequently by the high production and economic efficiency fruit vegetables, the tendency of specialized production is suddenly revealed day after day, finally is causes the soil environment to worsen, the vegetables plant disease to be serious, the output to reduce, the quality and the series barrier of continuous copings to occur and the facility vegetables production further development to be cut down.

但随着社会经济的发展,蔬菜消费量的日益增加,温室蔬菜规模化生产日渐升温,加上效益驱动等原因,相继涌现出一批蔬菜种类相对单一的专业生产基地,客观上导致原有耕作制度瓦解,从事某一特定蔬菜生产的农民日益增多,蔬菜种类常常局限于生产经济效益高的果菜类,专业化生产趋势日渐突显,结果导致土壤环境恶化、蔬菜病虫害严重、产量降低、品质下降等一系列连作障碍的发生,严重威胁着设施蔬菜生产的进一步发展。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。