Today many radioisotopes are produced using the particle accelerator called a cyclotron.今天许多放射性同位素是用被称为回旋加速器的粒子加速器来制造的.The cyclotron frequency can also be derived by an elementary argument.回转频率也可以通过浅显的论证导出来.How well is t...
The Olympic committee prepared a lot of remembrances for the foreign guests.奥组委为外宾准备了很多纪念品.Jeff: Do you know when the Olympic Committee put forward the issue of environmental protection?杰夫: 那你知道国际奥委会哪年提出环保问题的?The Olympic...
The nature and availability of material evidence was not to be discussed.实质性证据的性质和可用性毋庸讨论。Knotman and I discussed the practicability of the idea.我和诺特曼讨论了这个想法的可行性。It wasn't a spur-of-the-moment decision. We discussed...