金矿并非无底的宝藏，金子终究会被采光。A gold mine is not a bottomless pit, the gold runs out.每年他们淘出大约1.5吨金子。Every year they panned about a ton and a half of gold.金子的发现吸引了大量的勘探者进入这些地区。The discovery of gold brought a flood of prospectors int...
下面,我们借助于洛伦兹变换来讨论其中的几个结果.We shall discuss several of them below with the help of the Lorentz transformation.有二种主要类型的虫孔: 洛伦兹虫孔和欧几里得虫孔.There are two main types of wormholes: Lorentzian wormholes and Euclidean wormholes.从洛伦兹...
Camomile , Benzoin , Lavender, aloe oil and so on.蓝甘菊、安息香 、 薰衣草 、 芦荟油等.Other fixatives which may be used include the oleoresins such as benzoin, or styrax.其他可用的固定剂有苯偶姻或安息香等含油树脂.Dry oxidation of benzoin with air under mic...