渗氮在钢表面获得远远超出正常标准的硬度。其硬度范围为900到1,100布氏硬度，这远高于普通表面硬化所获得的硬度。
Nitriding develops extreme hardness in the surface of steel. This hardness ranges from 900 to 1,100 Brinell, which is considerably higher than that obtained by ordinary case hardening.
“刑事过失”(Criminally negligent)意为，犯罪行为涉及偏离普通正常人(reasonable person)在当时情形下的注意标准和范围，但是其不是轻率的行为。
"Criminally negligent" means conduct that involves a gross deviation from the standard of care that a reasonable person would exercise under the circumstances, but which is not reckless.
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