In our universe the laws of physics seem precisely calibrated to allow the existence of long-lived stars, planets with stable orbits, and molecules that allow complex chemistry.

在我们这个宇宙里出现了漫长生命周期的恒星，具有稳定轨道的行星，能够实现复杂化学变化的分子，仿佛它的物理法则曾被精确校准过。

Envirofit's latest stoves, introduced this year in a project sponsored by the Shell Foundation, use a carburettor design, with chimneys that draw air in through precisely calibrated inlets.

Envirofit的最新炉具，今年在壳牌基金会赞助的一个项目中被引进，使用一种化油器设计方案，通过精确校准的进气口放进空气。