instant lock 中文意思是什麼
instant lock
解釋
自動鎖-
Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test
監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。 -
In an instant he had cleared every obstacle away, and he saw successively the lock, placed between two padlocks, and the two handles at each end, all carved as things were carved at that epoch, when art rendered the commonest metals precious
一眨眼的功夫，他就清除了箱子上的雜物，看到在兩把掛鎖之間，穩穩地扣著一把大鎖，箱子的兩頭各有一隻提環，所有這些東西上面都有那個時代的雕刻。
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