物理学是一门实验科学，许多物理规律、物理定律都要通过物理实验来证明和验证。
Physics is an experimental science. Many physical rules and laws ought to be proved and tested through physical experiments.
生物特征识别技术是一门利用人类特有的个体特征来验证个人身份的科学，它比传统的基于口令和身份号码的方法更为的可靠。
Biometrics which is a kind of science of using individual personal characteristics to verify identity, is inherently more reliable than traditional methods such as passwords and PIN Numbers.
生物特征识别技术是一门利用人类特有的个体特征来验证个人身份的科学，它比传统的基于口令和身份号码的方法更为的可靠。
Biometrics which is a kind of science of using individual personal characteristics to verify identity, is inherently more reliable than traditional methods such as passwords and PIN Numbers.
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