A tendency to harden by rapid cooling necessitates the use of preheat to remove the quench effect of cold metal, and to reduce the cooling rate.
强化的趋势迅速冷却，有必要制定预热来消除冷金属淬火效果，并减少冷却速率。
Even a successful military strike against Iran's nuclear facilities would delay Iran's program by only a few years, and it would almost certainly harden Tehran's determination to go nuclear.
尽管一次成功的针对伊朗核设施的军事打击将会在几年之内阻止伊朗的核项目，也会毫无疑问地阻碍德黑兰成为有核国家的决心。
You can harden a hashed password further by adding salt (a cryptographically secure random value) to the hash.
通过向哈希中添加salt(密码安全随机值)，可以进一步强化哈希密码。
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