因?yàn)槭湃r(shí)間時(shí)鐘為系統(tǒng)軟件操作和定時(shí)器功能塊提供了時(shí)間基準(zhǔn),所以不能在編程器或用戶程序中將其重啟。然而,用戶程序可以使用服務(wù)請(qǐng)求16和服務(wù)請(qǐng)求50讀取逝去時(shí)間時(shí)鐘,這個(gè)命令可以提供更高的時(shí)鐘分辨率。
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Microsoft MicroSpeed MicroTrac Trackball Mouse PD600 Se
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