c. 1500, from Latin modulator, literally "one who modulates" in various senses (such as "musical director"), agent noun from past participle stem of modulari (see modulation). Meaning "device that produces modulation of a wave" is from 1919.
双语例句
1. Conclusion: AbE is potentially a biological response modulator for hemopoietic and immuno - regulstion.
结论: AbE有可能成为一种能改善造血与免疫功能的生物反应调节剂.
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2. Objective To synthesize raloxifene hydrochloride, which is a selective estrogen receptor modulator.
目的合成选择性雌激素受体调节剂盐酸雷洛昔芬.
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3. A modulator reduces the quantization error of the frequency divider.
调制器减少该分频器的量化误差.
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4. An acoustooptic modulator, operating at 10.6μ m is designed and made.
设计制作了10.6μm声光调制器.
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5. A novel Electrooptical modulator with standing microwave electrode is designed and fabricated.
