basic population中文什么意思

basic: Basic ＝ Basic English.
population: n. 1.人口；人口總數(shù)；全體居民；人口的聚居。 2.物 ...
basic breeding population: 基本育種群落
basic reference breeding population: 基礎(chǔ)參考育種群體
population: n. 1.人口；人口總數(shù)；全體居民；人口的聚居。 2.物的全體[總數(shù)]；【生物學(xué)】蟲口；種群(量)；群體；族，組，個數(shù)；【統(tǒng)計學(xué)】對象總體，全域。 3.【物理學(xué)】布居；密度。 4.〔罕用語〕殖民。 varietal populations 品種群體。

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Difference in basic population structure of the ethnic groups in kazakhstan
哈薩克斯坦不同民族在人口基本結(jié)構(gòu)方面的差異
The large basic population courses that the speed of population increasing is hard to drop down rapidly in short time
人口基數(shù)大，又使人口增長速率在短時期內(nèi)難以大幅度下降。
According to the population equilibrium equation and utilize the population poly - factor compounding projection , this paper expounds the basic population projection methods and steps in the exoteric regions so as to provide the concrete population forecast practice some instructions
本文依據(jù)人口平衡方程，運用人口分要素組合預(yù)測法，闡述了開放區(qū)域人口預(yù)測的基本方法和步驟，從而為具體的人口預(yù)測工作提供思路借鑒。
Taking the population calculated from the basic seedlings formulas self - drafted of the dry - land seedling - raised on plastic trays ( dpt ) with scattered - planting in double - season rice as the middling population , one population of the higher and the lower were set respectively , and the yields and yield formations of these different basic populations were compared
摘要以自擬基本苗公式計算出的苗數(shù)為中等群體，設(shè)置上下水平基本苗數(shù)各1個為對照，比較了早、晚稻塑盤早育拋栽不同群體起點產(chǎn)量及其形成的差異。

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