1.
Half pirouette: The same as a pirouette, except executed only in a half-circle.
后肢半旋转：类似一种单脚旋转，但只转半圈。
2.
have a lead of three metres, two lengths, half a lap, etc
领先三米、 两个自首至尾的距离、 半圈等
3.
Time budget of breeding behaviors of Amur tiger in Heilongjiang Amur Tiger Park
半圈养条件下东北虎繁殖期的行为时间分配
4.
Field-Free Orientation of Linear Molecules by Using Double Half-Cycle Pulses;
线型分子在双半圈激光脉冲作用下的过场取向
5.
Semidirect Products and Wreath Products of Weakly P-eventually Regular Semigroups;
弱P-毕竟正则半群的半直积和圈积
6.
the sun visible at midnight (inside the arctic or antarctic circles).
半夜看到的太阳（在北极圈内或南极圈内）。
7.
Ordering of Unicyclic Graphs with Cycle Length g and Vertices n
圈长和顶点数给定的单圈图的Laplace谱半径排序
8.
The Northern Hemisphere Hadley cell now overlaps 1000km into the Southern Hemisphere.
这时，北半球哈得来环流圈伸进南半球约1000公里。
9.
Generalized Rings and Applications to Multiplicative Semigroups and Adjoint Semigroups
广义环及其对环的乘法半群与圈乘半群的应用
10.
Cut the roll in half with a sharp knife.
用一把锋利的刀把圈切成两半。
11.
Either half of such a great circle from pole to pole.
子午线从极点到极点的大线圈的一半
12.
A geometrical analysis on three point contact ball bearing with two-piece inner ring
双半内圈三点接触球轴承的几何分析
13.
He came round about to these conclusions.
他兜了半天圈子， 才得出这些结论。
14.
The Largest Laplacian Eigenvalue of Unicyclic and Bicyclic Graphs with n Vertices and Fixed Diameter d;
单双圈图的Laplacian谱半径的上界
15.
Spectral radius of unicyclic graphs given order and edge independence number
给定阶和边独立数的单圈图的谱半径
16.
The spectral radius of Laplacian matrices of bicyclic graphs
双圈图的Laplace矩阵的谱半径
17.
A series of F-numbers are so chosen so that the amount of light passed by the lens when set to one number is half that passed by the lens when set to the previous numbers.Each F-number is known as a "F-stop".
当调校至某一光圈值时，穿过镜头的光量是前一光圈值的一半。每个光圈值称为一个“光圈档”。
18.
Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon.
半天球被黄道，天赤道或地平圈分成两半的天球的一半