N Number是什么意思

用法例句

Studies on a new method to observe the number of plant chloroplast;

一种观察植物叶绿体数目的新方法

A Third Study on Varieties of Peony and Their Number in the Song Dynasty;

宋代牡丹品种和数目研究之三

A Practical Algorithm of Calculating the Enumeration Number of Any Max-heap;

计算任意最大值堆的枚举总数目的实用算法

The article explains the converter vessel-to-trunnion ring connecting procedure required by quick change of the furnace shell and the reinforce number, position and plane as well as shell bearings and clamping unit structure.

介绍AOD转炉为满足炉壳快换要求所需的炉体与托圈连接技术,以及支撑数目、支撑部位、支撑平面,炉壳支撑轴承和夹紧装置结构。

Using the Ag-alloy tube as an outer sheath of Bi-2223 tapes can increase the residual thermal compressive stresses in the filaments, avoid a wavy interface between the Ag sheath and oxide core, and limit the stress concentrations induced by the interface inhomogeneity, thus t.

研究了Bi-2223带材的应力-应变特征,比较了包套材料、芯丝数目和Ag/超比例对Bi-2223带材不可逆拉伸应变的影响。