precision n. 精密,精確性;嚴(yán)格;精密度;【修辭學(xué)】精確。 arms of precision 裝有瞄準(zhǔn)儀的槍炮。 adj. 精確的,精密的。 precision apparatus 精密儀器。 a precision balance 精密天平。 a precision fire 準(zhǔn)確射擊。
What need to be considered in the designing stage to reach to the required precision level 沖裁模設(shè)計須考慮哪些以確保所欲之尺寸精度?
Do you apply the same precision level and tolerance grade to both short and medium run die design ? if not , what is the normal practice 小量生產(chǎn)與中量生產(chǎn)用之沖裁模,采用同樣的設(shè)計精度與公差等級嗎?如果不是,各為何?
For rotary axes can be made less expensive , easier and more compact than a linear guide at the same precision level , a rotary arm that carries a diamond tool combined with a fast tool servo are used to replace the straight lines 由于旋轉(zhuǎn)抽與同等精度的直線導(dǎo)軌相比,具有制造難度小、成本低及結(jié)構(gòu)緊湊等優(yōu)點(diǎn),所以采用具有快速伺服機(jī)構(gòu)的金剛石刀架擺臂代替直線導(dǎo)軌進(jìn)給運(yùn)動方式。
The methods and rules in field working first normanized by this study for crop discrimination using rs enable field working to run economically . the small features in crop fields are related to the precision level of crop discrimination using rs 該方法系統(tǒng)、全面的規(guī)范了田間作業(yè)準(zhǔn)備、田間作業(yè)過程及田間作業(yè)數(shù)據(jù)處理等各個環(huán)節(jié)的操作,使整個田間工作系統(tǒng)化、標(biāo)準(zhǔn)化,節(jié)約時間、經(jīng)費(fèi)。
In this thesis a fmcw radar level measurement system based on the integrated microwave tx / rx unit is designed , the high precision level measurement technique by employing the phase of the fft of the beat - note signals is presented ; and finally the experimental results are given Fmcw雷達(dá)具有距離分辨率高、發(fā)射功率小、便于集成化等優(yōu)點(diǎn),適合用于液位測量系統(tǒng)。本文主要研究fmcw液位測量雷達(dá)系統(tǒng)設(shè)計以及基于fft相位信息的高精度測距原理。
By the means of theory , simulation and experiment , the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage ' s amplitude and phase caused by the different values of the inverter ' s component . it is concluded that by selecting certain precision level components , the difference of the output voltage amplitude is much greater than that of the output voltage phase 其次通過理論、仿真和實(shí)驗(yàn)分析了本文所采用的電壓電流雙閉環(huán)瞬時控制方式逆變器的等效輸出阻抗和兩臺逆變器器件差異對輸出電壓的幅值差和相位差的影響,從而得出選用一定精度的器件,兩臺逆變器輸出電壓的幅值差比相位差大得多的結(jié)論。