您要查找的是不是：
- sound level measurement instrument 聲級測量?jì)x器
- Level measurement to the accurate spare part. 對精密零部件的平行、平面測量。
- For continuous monitoring of noise, sound level monitors are installed on site for round-the-clock measurement. 為了不斷監察噪音水平,數碼港地盤(pán)內會(huì )裝設音量監測器,廿四小時(shí)進(jìn)行測量。
- Liquid level gauges shall be used for local level measurement. 液體液位計應用于現場(chǎng)液位測量。
- Normalizes sound levels of DVD. 6. 標準化 DVD 的聲音等級。
- Noise and Vibration Level Measuring of Lin. 交通噪音、振動(dòng)及車(chē)流量測定。
- If the volume level is too high, the speaker protection circuit activates, and the sound level drops suddenly. 如果音量電平太高,揚聲器保護電路即起作用而突然地減小聲音。
- Risk for hearing damage depends on sound level and exposure time," a statement said. 一項報告表示，聽(tīng)力損害的風(fēng)險取決于音量和暴露時(shí)間。
- There are always lots of scattered stations needed to be measurement during the process of penstock level measurement. 摘要水渠水位測量具有測點(diǎn)多而分散的特點(diǎn)；
- Added a new 'Sound Levels' option under sound options. 在聲效選項里增加了新的聲音等級選項。
- And LA90,5 min level measured during class is 50.5 dB(A). 課堂上實(shí)測室內的LA90;5 min達到50.;5 dB(A)
- Place the purchase order and follow up the implementation of the P/O. Keep the inventory at the sound level. 簽發(fā)采購訂單，跟蹤訂單的執行，將庫存控制在合理的水平。
- The method of level measurement based on digital image processing technology and its application in automatic pouring production line are introduced. 介紹一種基于數字圖象處理技術(shù)的液位測量方法及其在自動(dòng)澆注生產(chǎn)線(xiàn)中的應用。
- The wireless technology used in capacitance tank level measurement Ian avoid the influence of the distributed capacitance of tr... 使用無(wú)線(xiàn)接入技術(shù)可以克服電纜分布電容的影響,實(shí)現無(wú)纜傳輸,使測量準確可靠。
- Adopts step wave method to measure the timeaverage sound level(equivalent continuous sound level) of the sound level meter. 采用階梯波法;測試了聲級計的時(shí)間平均聲級;即等效連續聲級Leq功能;并對實(shí)測值和理論值進(jìn)行比較.
- The research results indicate that the compressor sound quality is mainly affected by A-weighted sound level loudness and sharpness. 研究結果表明，壓縮機噪聲聲品質(zhì)主要受A聲級、響度和尖銳度的共同影響。
- It provides sound normalization that normalizes sound levels of DVD. 它提供了良好的正?；?，即逐步恢復正常，健全各級的DVD 。
- Wide applicability: have many kinds of structure form, installation mode and structure material, and suit to various industrial field liquid level measurement. 適用性廣:具有多種結構形式,多種安裝方式,多種結構材料,適合各種工業(yè)現場(chǎng)液位測量。
- The experimental result shows that the method achieves high precision in ultrasonic liquid level measurement and solves the contradiction of coherence and precision. 實(shí)驗表明,采用該方式在液介式超聲波液位測量裝置上實(shí)現了高精度液位測量,測量量程為1 500mm時(shí)絕對誤差小于±1mm,解決了儀器一致性和測量精度之間的矛盾。
- SLOW:The time response of 1 second specified in sound level meter standards, used to facilitate visual averaging of relatively steady signals. 緩慢：反應的時(shí)間一秒指明聲級計標準，用于促進(jìn)視覺(jué)平均的相對穩定的信號。
