The assertion is known as the closed graph theorem for Hilbert spaces.这个断语被称为希耳伯特空间的闭图象定理.From the point of view of Hilbert space sets of measure 0 are negligible.从希耳伯特空间的观点看来,测度为0的子集是可以省略的.His method is an improvement o...
She saddled up a horse.她给一匹马套上了马鞍。He saddled his horse, mounted, and rode away at a gallop.他给马套上鞍子, 跨上马背疾驰而去.The horses were saddled up and ready to move.马已上好了鞍,只等出发了....
This article briefly discusses the conveyer with Delta VFD - S series inverter.本文对基于台达VFD-S系列变频器调速的输送机作简要讨论.It comprises of a push - pull forward converter and a dual buck inverter.主电路采用推挽正激变换器和双降压式逆变器.This paper focuses...
The aphid is now laying waste to the wheat and barley fields.蚜虫正在毁掉一片片的小麦和大麦田地。Maize and lucerne, apart from wheat and barley, are the crops best suited to their clmate.除了小麦和大麦外, 玉米和苜蓿是最适合他们那种气候的作物.The substance that...