而冥王星的距离，是水星的一百倍，那么它的引力与向心加速度，均是水星的一万分之一。
So if you are 100 times further away like Pluto compared to Mercury then the gravitational... the centripetal acceleration which is due to gravity is 10,000 times smaller.
刀锋的厚度仅相当于80个原子，即发丝直径的五千分之一到一万分之一左右，比市场上的普通刀片要锋利非常多。
They are just 80 atoms thick on their cutting edge - around 1/10,000th or 5,000 times thinner the width of a hair and far sharper than any of common blades on the market.
鼻子可以分辨一万种不同的气味；触觉可以感应到二万五千分之一寸厚的物品，你的舌头可以尝出稀释到两百万分之一的奎宁。
Your nose can smell up to 10, 000 different odors. Your touch can detect an item 1/25, 000th of an inch thick, and your tongue can taste one part of quinine in 2 million parts of water.
鼻子可以分辨一万种不同的气味；触觉可以感应到二万五千分之一寸厚的物品，你的舌头可以尝出稀释到两百万分之一的奎宁。
Your nose can smell up to 10, 000 different odors. Your touch can detect an item 1/25, 000th of an inch thick, and your tongue can taste one part of quinine in 2 million parts of water.
应用推荐