本文介绍一种磁带记录生物医学信号的方法——脉冲比例调制。
Pulse ratio modulation, a method of recording biomedical signals with magnetic tape, is presented.
事实上，大辉哥的秘密酱汁并不难做，用生抽、糖、香油、鸡精和胡椒粉按照一定的比例调制就行。
Da Hui's soy sauce mixture is quite easy to make. Light soy, sugar, sesame oil, chicken powder and pepper are mixed in a special ratio, and the sauce is ready.
采用适当的混合比例调制的可降解混合基础油，可以保持合成基础油的高性能、对添加剂的相容性能和敏感性。
The biodegradible mixed base oil, with appropriate proportion, could keep the high property of the synthesized base oil, compatibility and sensitivity to additives.
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