次直 meaning in Chinese

tsuginao

Then s is the the pseudo - sub direct product of d and s / b
则s为d与s的伪次直积。
Now , recall that a class fof groups is a formation if it is closed under homomorphic images and subdirect products
) u 。我们知道所谓群系，是一个关于同态像闭的和次直积闭的群类。
U . s . crude oil futures for september delivery slid $ 1 . 83 to settle at $ 70 . 06 a barrel on the new york mercantile exchange , down for the fourth straight session , as ample u . s . fuel stockpiles eased fears of supply shortages
在纽约商品交易所，美国9月份原油的期货交易下滑1 . 83美元到每桶70 . 06美元，第四次直降期，美国充足的燃料储备降低了人们对供应不足的恐慌。
First , according to the definition of strong distributive lattice of semirings , we define the pseudo - strong distributive lattice semiring s and the pseudo - direct product , and we prove that the pseudo - direct product that we just define is a semiring , then we prove that s is the pseudo - sub direct product of d and s / 9
首先根据半环的强分配格的定义，定义了伪强分配格半环和一个斗格半环r与任一半环t的伪直积，证明了我们所定义的伪直积是一个半环，并且证明了s是d与s的伪次直积。