频率
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(频(pín )率(lǜ ),频(pín )率(lǜ ))
1.物(wù )体(tǐ )每(měi )秒(miǎo )钟(zhōng )振(zhèn )动(dòng )的(de )次(cì )数(shù )。单(dān )位(wèi )是(shì )赫(hè )兹(zī )。
秦(qín )牧(mù )《艺(yì )海(hǎi )拾(shí )贝(bèi )·放(fàng )纵(zòng )和(hé )控(kòng )制(zhì )》:“物(wù )体(tǐ )每(měi )秒(miǎo )钟(zhōng )震(zhèn )动(dòng )的(de )‘频(pín )率(lǜ )’过(guò )低(dī ),我(wǒ )们(men )不(bú )能(néng )听(tīng )到(dào )声(shēng )音(yīn );‘频(pín )率(lǜ )’过(guò )高(gāo ),我(wǒ )们(men )也(yě )无(wú )法(fǎ )听(tīng )到(dào )。”
2.单(dān )位(wèi )时(shí )间(jiān )内(nèi )某(mǒu )种(zhǒng )事(shì )情(qíng )发(fā )生(shēng )的(de )次(cì )数(shù )。如(rú ):生(shēng )蛋(dàn )多(duō )的(de )鸡(jī )好(hǎo )动(dòng ),目(mù )光(guāng )敏(mǐn )锐(ruì ),啄(zhuó )食(shí )的(de )频(pín )率(lǜ )要(yào )比(bǐ )生(shēng )蛋(dàn )少(shǎo )的(de )鸡(jī )高(gāo )得(dé )多(duō )。
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