shifting stage

基本解释

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.
所述变速机构是由至少两对直齿轮传动配合构成的两级或两级以上的变速机构。
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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类型上的物种多样性指数均以多年生草本为最高，其次为一年生草本，而且从流动沙丘至固定沙丘阶段呈递增变化。
When economic develop to a certain stage, Industrial shifting will become an inevitable result.
产业转移是经济发展到一定阶段的必然结果。