n.

听听怎么读

是什么意思

abbr.

haploid generation 单倍体后代（代号）；navigation 航海；航行；numerus （拉丁语）数目

英英释义

n.

n.
- (of a solution) concentration expressed in gram equivalents of solute per liter
  同义词：normalityN
- a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
  同义词：nitrogenNatomic number 7
- the cardinal compass point that is at 0 or 360 degrees
  同义词：northdue northnorthwardN
- a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes
  同义词：newtonN
- the 14th letter of the Roman alphabet
  同义词：Nletter n

学习怎么用

词组短语

n b abbr. （拉）注意（nota bene）；英国北部（North Britain）；新不伦瑞克市（New Brunswick）

双语例句

He fought in the N African campaign during the last war.
在上次战争中他在北非战役参战。

权威例句

Particle mesh Ewald: An N⋅log(N) method for Ewald sums in large systems
A threshold of ln n for approximating set cover
Detection of ultra wide frequency band i`n GIS partial discharge
European Journal of Pediatric Dermatology, issue n. 4, vol. 10, 2000
Protein measurement with the Folin phenol reagent.
The neighbor-joining method: a new method for reconstructing phylogenetic trees.
Equation of State Calculations by Fast Computing Machines
The nature of statistical learning theory
Meta-analysis in clinical trials
Clinical resistance to STI-571 cancer therapy caused by BCR-ABL gene mutation or amplification.

n开头的单词