shifting stage

基本解釋

The speed shifting mechanism is a two-stage or more than two-stage speed shifting mechanism formed by that at least two pairs of straight gears are made a transmission fit.
所述變速機(jī)構(gòu)是由至少兩對(duì)直齒輪傳動(dòng) 配合構(gòu)成的兩級(jí)或兩級(jí)以上的變速機(jī)構(gòu)。
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For all dune types the species diversity indices of perennial plants were the highest, those of annual plants were at the second, they increased from shifting sand dune stage to fixed stage.
植物生活型上各沙丘類型上的物種多樣性指數(shù)均以多年生草本為最高，其次為一年生草本，而且從流動(dòng)沙丘至固定沙丘階段呈遞增變化。
When economic develop to a certain stage, Industrial shifting will become an inevitable result.
產(chǎn)業(yè)轉(zhuǎn)移是經(jīng)濟(jì)發(fā)展到一定階段的必然結(jié)果。