规模报酬变化要求投入必须同比例变动，相比而言，规模经济只要求比较规模的扩大与单位产品平均成本间的关系。
Returns to scale changes must change with proportion to input, however, the economies of scale only requires the relation among the enlargement of the comparative scale and unit cost.
首先，掺股比例不是固定的而是在一定的范围内变动的。
First of all, the proportion of doped shares not fixed but changes in a certain range.
有效需求和货币数量不作同比例地变动。
Effective demand will not change in exact proportion to the quantity of money.
观测卡特拉鱼的形态特征和1—3龄鱼主要可量性状及其比例的变动。
This paper describes the morphology and changes in the major measurable characters and their ratios in 1— 3 year-old Catla carla.
用户的年龄散布也较微信初期有了较大变动，虽然微信誉户的主力军仍然是80、90后，但95后也曾经占据了14%的比例。
The user's age distribution is also greater than the initial WeChat has changed, although the main force of WeChat users is still 80, 90, but after the has also occupied a proportion of 14%.
植株各部位非水溶性氮含量占全氮的比例，叶片在90%以上，高于茎和叶柄，随生育时期变动很小。
The NWSN /total nitrogen ratio was bigger than 90 % in trifoliolates, higher than that in stems and that in petioles, but they changed hardly with growing stages.
当代美国人口变动的一个显著特征就是少数族裔占全国总人口的比例不断上升，其中西班牙裔人口的增幅尤其令人瞩目。
A notable characteristics of the contemporary American population is the rapid increase of the minorities, especially the remarkable growth of Hispanic population.
在变动成本构成项目中，卫生材料费和变动工资所占比例较高；
The depreciation and fixed labor cost accounts for more proportion in the fixed cost;
竞技体育与非农业人口所占比例成正向变动关系，与农业人口所占比例成反向变动关系。
Athletic sports and non-farming population is the positive relation, with the agricultural population is the negative relation.
竞技体育与非农业人口所占比例成正向变动关系，与农业人口所占比例成反向变动关系。
Athletic sports and non-farming population is the positive relation, with the agricultural population is the negative relation.
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