In some domains, certain kinds of bugs must be kept at zero in order for the product to be acceptable to customers.
在某些域，某些类型的bug必须保持为零以使产品能被客户接受。
2
And in fact, strictly speaking although this is zeroorder in terms of the chemical constituents, it's not zeroorder in the photons.
实际上，虽然严格来说反应速率，对于化学组分来说是零阶反应，但对于光子来说不是零阶反应。
3
The effective address is, under the hood, always split into a pair of 32-bit registers; the high-order register is optional and if it's not specified, it is treated as zero.