frequency的例句（frequency在句子中的用法）

• Its downholc discharge apparatus are made up of rectification frequency converter, discharger and cable. 其井下放電設備主要是由整流變頻器 、 電儀與電纜所組成.
• Medium frequency transformer quenching is used for workpiece diathermy, quenching, annealing, brazing, etc. 中頻淬火變壓器用于工件的透熱 、 淬火 、 退火 、 彎管釬焊等工藝.
• Result The effectual rate with diathermy of ultra intermediate frequency is 85 %. 結果觀察組顯效率85%,對照組顯效率60%.
• FM receiver through demodulation , the frequency signals into sound signals. 調頻接收機通過解調, 鑒頻將信號轉換成聲音信號.
• Then by changing the decimation ratio of the SINC filter, frequency selecting is realized. 在某一固定輸出頻率下設計一組帶通濾波器, 然后通過改變SINC濾波器 信號抽取比率實現數字選頻.
• Expenses for repairing and maintenance were reduced after the frequency sound wave deashing device was used. 經采用低頻聲波清灰裝置,減少了檢修和維護的費用.
• The transmitterof DHF uses DDS to synthesize frequency. 發(fā)射機采用直接數字頻率合成器(DDS)生成頻率,具有精度高、頻率跳變速度快的特點.
• The cyclotron frequency can also be derived by an elementary argument. 回轉頻率也可以通過淺顯的論證導出來.
• Extrusion System: frequency variable motor, cycloidal pin gear speed reducer and high qualitynitrifiedfeed cylinder screw. 擠出系統(tǒng): 變頻調速電機 、 擺線針輪減速箱加優(yōu)質氮化料筒羅桿.
• This paper focuses on voltage regulation strategies of 400 Hz CVCF ( Constant Voltage Constant Frequency ) inverter. 本文研究了400Hz恒壓恒頻 ( CVCF ) 中頻電源逆變器波形控制策略.
• In this paper a hybrid fuzzy - repetitive control scheme for 400 Hz constant - voltage constant - frequency ( CVCF ) inverters is presented. 針對400Hz恒壓恒頻 ( CVCF ) 逆變器,提出了一種模糊 - 重復混合控制方案.
• Discuss about using High - frequency electric coagulator in Electrocautery to treat prolapse of gastric mucosa. 目的本文將介紹以高頻電灼凝法治療胃粘膜脫垂癥.
• With this restricted frequency range it is not applicable to hydrocarbons. 這個較緊縮的頻率范圍不適用于烴類.
• The results show that the Heihe region Cercospora Race greater the number and frequency changes. 結果表明黑河地區(qū)灰斑病生理小種數目和頻率有較大變化.
• A new method for further frequency analysis whose name is wavelet - cepstrum is established. 建立了一種新的二次頻譜分析方法,首次提出了小波倒頻譜的概念.
• Subjective judgments based on frequency graphs vary greatly from cartographer to cartographer. 根據頻率圖所作的主觀判斷,因編圖人員不同而變化甚大.
• The performance of cotton carder auto leveller in frequency field was studied and estimated. 探討了清梳聯自調勻整系統(tǒng)的頻率性能的推導和估計.
• High elasticity facilitates capsulotomy and affords ocular protection against high - frequency mechanical insults. 高彈性特征可易化撕囊難度和提供機械震動的吸收.
• The performance of frequency cali - brator is directly related to precision transfering frequen - cy standard. 校 頻儀 的性能,直接關系到傳遞頻率標準的精度.
• Results High frequency ultrasound could confirm trauma of tendo calcaneus. 結果高頻超聲能清晰顯示跟腱的損傷程度.