混联交换器

公平竞争 level playing field(cfunevenplayingfield) 公正交易 arm'slength transaction 公告板 bulletin board 公众利益 public interest 公众利益董事 Public Interest Director 公众持股市值 public float capitalisation 公众持股量

发表于:2018-11-29 / 阅读(118) / 评论(0) 分类 金融英语

If you splashed down in the Atlantic, you'd flounder on which way to swim. But a hatchling loggerhead turtle would know just where to paddleby reading the Earth's magnetic field. Scientists knew turtles can pinpoint latitude this way, because the fie

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 Scientific American(二)月

Tornados are one of the most frightening weather phenomena on our planet. Not only are they unique in how they form, but also in how they are measured . A tornados intensity is defined by the Enhanced Fujita Scale. On this scale, the intensity of the

发表于:2018-12-28 / 阅读(59) / 评论(0) 分类 轻松英文阅读

As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get increasingly close to the Earth's surface. As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get

发表于:2019-01-22 / 阅读(41) / 评论(0) 分类 自然百科2011年

It's clear from the fact that the Martian crust is strongly magnetized, that there must have been a magnetic field on Mars in the past, that the only way we know to magnetize rocks is for them to form in the presence of magnetic field. Why did Mars l

发表于:2019-01-22 / 阅读(44) / 评论(0) 分类 自然百科2011年

With many people in Zimbabwe at the point of starvation, a government ban on field work by relief organizations is putting them at further risk. As Peta Thornycroft reports for VOA, even if the restrictions are lifted now, humanitarian groups say it

发表于:2019-02-04 / 阅读(73) / 评论(0) 分类 VOA标准英语2008年(八月)