这对保证在“巨观尺度世界”广泛利用新兴的奈米和微米尺度机械是至关重要的。
This is a key to enabling broad utility of emerging nano and micro-scale machines in the "macro-scale world."
量子力学是一个高度成功的物理理论，它从微观的尺度上描述了我们的世界。
Quantum mechanics is a hugely successful physical theory that describes our world at the micro-scale.
因为这个世界没有统一的尺度，所以谁都没必要去刻意学习别人。
There is no unique yardstick (for us to judge whether she's lady or not) existing in the world, thus it is unnecessary for us to learn from others.
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