administrative unit-n n阶管理单元
Tributary Unit-n 支路单元
N-unit 中子剂量单位
n unit 单位 ; 地址
Kitchen n unit 厨房成套家具
n Unit Nine 经济管理类
n Unit Seven 社会生活类
n Unit Six 科学技术类
n Unit Five 教育文化类
A unit vector normal to the plane of t and n, which is the plane of curvature.
所构成的平面的单位向量,该平面为曲率所在的面。
In order to produce n pentane desorbing agent for molecular sieve dewaxing unit, the refining tests for reformed n pentane oil were carried out by using complexing agents.
为了生产用于分子筛脱蜡装置的正戊烷脱附剂,利用络合化学试剂对切割分离后的重整正戊烷油进行了脱烯烃精制实验。
The problem is to determine the optimal replacement policy ( N , T )? such that the long-run expected cost per unit time is minimized.
利用几何过程,以系统大修次数N和大修时间间隔T为更换策略,选择最优策略( N , T)使系统经长期运行单位时间的期望费用最小。
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