1.
Some Studies about Linear Preserver Problems over Antinegative Semirings;
非负半环上线性保持问题的若干研究
2.
Equivalent Conditions over a Non-negative Commutative Semiring;
非负幂等交换半环上矩阵可逆的几个等价条件
3.
Then A is positive semidefinite, negative definite and negative semidefinite.
则A是半正定，负定，半负定的。
4.
N-semisimple rings,Noether N-semisimple rings and some special rings;
N-半单环、Noether N-半单环和几类特殊环
5.
An element introduced into a semiconductor with a negative valence greater than that of the pure semiconductor.
施主放进半导体中的元素，其负价大于纯半导体
6.
converts the negative half wave of an alternating current into a positive half wave.
把负极半波交流电转变成正极半波交流电。
7.
circulatory overloading [transfusion disorder]
输血循环系统过负荷
8.
physical capacity of the natural environment
自然环境物质负荷能力
9.
Alliance for Responsible Environmental Alternative
负责任的环境选择联盟
10.
The Green's relation of semiring whose additive reduct is completely regular semigroup
加法半群为完全正则半群的半环上Green关系
11.
Some Studies on Semirings from the Angle of Semigroups;
从半群的角度出发对半环的若干研究
12.
Multiplicative Semigroup Automorphisms of Upper Triangular Matrices over Semirings
半环上的三角矩阵乘法半群的自同构
13.
radial gap of double-cone ring
双锥环的最大半径间隙
14.
semigloss epoxide-polyester powder coating
半光环氧聚酯粉末涂料
15.
semiclosed cycle gas turbine
半闭式循环燃气轮机
16.
Western Hemisphere Oil and Gas Environmental Forum
西半球油气环境论坛
17.
semiclosed cycle turbine
半封闭式循环涡轮机
18.
analytically unramified semilocal ring
解析非分歧半局部环