客户机程序应该用这种方法来判断服务器时否通过检查非零设置被锁。
A client shall use this method to determine if a server is locked by checking for a non-zero seed.
除非美国工人有能力通过杠杆作用要求加薪，否者他们的工资将跟不上通胀的脚步。
Unless American workers have enough leverage to demand raises that help their wages keep pace with inflation, their wages won't keep pace.
当壳体与板束温差较大时，笔者通过对产品开发的生产实践，提出解决板壳式换热器要否设置膨胀节的类似判定方法。
Through the practice of developing the products, some experience is available which can be used to determine in which case the expansion joint is necessary in plate-shell exchangers.
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