photometric requirement

基本解釋

The paper analyses the standards relating to the photometric performance of the headlamp for moped and put forward a standard requirement conformable to the national situation.
分析了與輕便摩托車(chē)前照燈配光性能有關(guān)的標(biāo)準(zhǔn)，提出一種符合我國(guó)國(guó)情并適合實(shí)際生產(chǎn)的標(biāo)準(zhǔn)要求。
On the base of requirement of national standards, a set of system for measuring photometric and colorimetric characteristics of headlamp and light signaling devices for motor vehicles is developed.
根據(jù)國(guó)家標(biāo)準(zhǔn)的要求和用戶(hù)需要，開(kāi)發(fā)出了一套用于測(cè)量機(jī)動(dòng)車(chē)前照燈和信號(hào)燈的光度和顏色參數(shù)的測(cè)量系統(tǒng)。介紹了系統(tǒng)的工作原理、方法、特點(diǎn)和測(cè)試結(jié)果。