The next morning, Franklin and Eleanor bundled up the baby and carried him to New York...第二天早上，富兰克林和埃莉诺把宝宝裹得严严实实，带着他上纽约去了。Probably, however, Franklin is most famous today for his inventions lightning conductor.但今天最使他出名的或...
The device had been used operationally some months previously.该设备几个月之前曾投入运行。The detector must be operationally simple, reliable and robust.探测器必须操作方便, 可靠而牢固.These three different methods of QE are conceptually distinct bu...
By drilling, geologists can take measurements at various depths.通过钻探，地质学家可以在不同深度测量。We took lots of measurements.我们得到了许多测量结果。In the metric system, measurements are made in metres and liters.在公制中, 用米和升作计量单位....