There are two main types of uses of radioactive isotopes in biochemistry.在生物化学中,放射性同位素主要有两方面的应用.Nucleon and use of radioactive isotopes to launch particle ionizing air molecules.核子中和利用放射性同位素发射粒子,使空气分子电离.More reactive are...
This sighting occurred during my dive to a sunken wreck off Sardinia.这是我在撒丁岛附近的沉船残骸处潜水时所见的景象。a reported sighting of the Loch Ness monster据报道有人看见尼斯湖水怪Have had a shocking UFO sighting or multiple sightings in your life.在生活...
Industrial orders had already fallen in the preceding months.工业订单在前几个月就已减少。the years preceding the war战前的几年The preface to this book is on the preceding page.前边一页是这本书的序言....
The government's policies of divide and rule have only contributed to the volatility of the region.政府分而治之的政策只是加剧了该地区的不稳定性。Volatility is an intrinsic characteristic of the security market.波动性是证券市场的一项内在特征.That was one...