These consist of a series of small ferrite cores of maximum diameter 2 mm.这些由一系列最大直径为2毫米的小铁氧体磁心组成.The citrate sol - gel synthesis method has been used to prepare zinc ferrite.采用硝酸铁、硝酸锌、柠檬酸制备前驱体,在不同加热温度与速率下制备锌铁氧体.The effe...
The snow - capped mountains stood out in sharp relief against the blue sky.白雪皑皑的山峦与蓝天形成了鲜明对比.Beyond these snow - capped mountains lies Rome!越过这些雪山就是罗马!On the third day, with snow - capped mountains Songzanlinsi sunset.第三...
He decided to bin his paintings.他决定把他的画扔掉。Do you need to keep these letters or shall we bin them?你需要保存这些信件吗,还是干脆把它们扔掉?He emptied several bags of rice into a bin.他把几袋米倒进大箱里....