multiple crops 中文意思是什麼
multiple crops
解釋
復種作物-
Wheat - maize interplanting of both crops ' high yield features shorter cycling period, higher multiple cropping index, stronger fertility exhaustion and no time for soil fertility to recover
小麥-玉米套種兩作產量皆高是以周期短、復種指數高、肥力耗竭強為特徵，土壤肥力沒有時間得以復原。 -
Based on the cultivated land fertility, according to grain yield, the planting coverage, the ratio of the grain crops to industrial crops and multiple crop index, the cultivated land population carrying capacity in 2010 and 2030 at the different population increasing modes were attained by predicting and analysing the food produce and the cultivated land carrying capacity
摘要以耕地地力為基礎，根據糧食單產、種植面積、糧經比和復種指數對河南省糧食產量和耕地資源承載力進行了預測和分析，得出不同人口增長模式下的河南省2010年和2030年耕地資源人口承載力。 -
The influence from moisture deficit on the crops is analyzed with the test data, and the parameters for the model of the function of moisture production are deduced with the method of multiple regression analysis
結合試驗數據分析水分虧缺對作物產量的影響，採用多元回歸分析法求解水分生產函數模型參數。 -
On this basis, according to water consumption mechanism and process of crops, the relationships, relative influence and effect transferring between various technology on water saving are fully considered. the calculating method of water saving potentialities on basis of the multiple utilization of water resources in irrigated regions is studied. the calculating model on water saving potentialities is set up
在此基礎上，根據農作物耗水機理和耗水過程，充分考慮各種節水技術間的相互關系、相互影響和效應傳遞，研究基於灌區水資源綜合利用的節水潛力計算方法，建立節水潛力計算模型，結合對不同階段灌區節水技術發展水平的預測，定量計算黃河下游引黃灌區不同水平年的節水潛力。 -
Abstract ： based on present plant gene engineering techniques, some strategies to develop transgenic crops expressing multiple genes by constructing a multigenes expression vector or a number of expression vectors and then making one or more transformations or co - transformation are discussed and the prospects are described as well in this paper
摘要本文探討了在利用植物基因工程技術的基礎上，通過構建多基因或者多個表達載體，進行一次、多次基因轉化或共轉化方法獲得轉多價基因作物的一些策略，並進行了展望。 -
Based on present plant gene engineering techniques, some strategies to develop transgenic crops expressing multiple genes by constructing a multigenes expression vector or a number of expression vectors and then making one or more transformations or co - transformation are discussed and the prospects are described as well in this paper
本文探討了在利用植物基因工程技術的基礎上，通過構建多基因或者多個表達載體，進行一次、多次基因轉化或共轉化方法獲得轉多價基因作物的一些策略，並進行了展望。
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