...出去,3K宇宙背景辐射非常的均匀,超出标准大爆炸理论所能解释的范围,这个难题就称为视界问题 均匀度问题 ( flatness problem ): 如果是辐射占主导 (这是宇宙早期的情形), 则 a=2, 如果是物质占主导 (当前的情形), 则 a=1。
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针对传统交叉铺网机生产的非织造布棉网均匀度较差等问题,将运动控制总线sercos应用于W1251交叉铺网机数字伺服系统。
Aiming at the poor web uniformity of non-woven fabrics produced by traditional cross lapper, the motion control bus SERCOS is applied in the digital servo system of the W1251 cross lapper.
目的解决小剂量药物莫索尼定片含量均匀度不符合规定的问题。
Objective To solve the problem that moxonidine tablets do not comply with the test for the uniformity of content.
文章主要解决了行喷式喷灌机的喷灌强度和均匀度的计算问题。
This paper has mainly solved the calculation problems of application rate and uniformity of sprinkler irrigation on the self-propelleds...
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