But what if it’s not fine? Even back in 1996, before a single component of the ISS was launched into orbit, NASA foresaw the possibility of an even worse worst-case scenario: an uncontrolled reentry. The crux of this scenario involves multiple systems failing in an improbable but not completely impossible cascade. Cabin depressurization could damage the avionics. The electrical power system could go offline, along with thermal control and data handling. Without these, systems controlling coolant and even propellant could break down. Unmoored, the ISS would edge slowly toward Earth, maybe over a year or two, with no way to control where it is headed or where its debris might land. And no, we could not save ourselves by blowing the station up. This would be extremely dangerous and almost certainly create an enormous amount of space trash—which is how we got into this hypothetical mess in the first place.
FT Professional,详情可参考搜狗输入法下载
await dropOld.writer.write(chunk1); // ok,推荐阅读夫子获取更多信息
An example of dithering using random noise. Top to bottom: original gradient, quantised after dithering, quantised without dithering.
外界專家指出,該文件不僅列出政策清單,更提出可行的法律和行政手段來推動改革。