specified standard

基本解釋

While helmet laws exist in more than 90% of countries, only 40% have a law that covers both riders and passengers while also requiring that helmets meet a specified standard.
雖然90％以上的國家具有使用頭盔的法律，但只有40％國家的法律將騎車人和乘客都包含在內(nèi)，同時(shí)要求所戴的頭盔應(yīng)符合特定標(biāo)準(zhǔn)。
Some common materials used in PCB surface coating were compared under specified standard testing conditions, and useful information was provided for the selection of coating for PCB.
對國內(nèi)外幾類常用的PCB表面防護(hù)涂料在規(guī)定的標(biāo)準(zhǔn)測試條件下三防性能的比較，從而有助于三防涂料在PCB組件產(chǎn)品應(yīng)用上的優(yōu)選。
Results show that all properties of this kind of bush meet or exceed specified standard requirements, which establishes the foundation for its application on speeding-up railway cars and freight cars.
結(jié)果表明，各項(xiàng)性能均達(dá)到或超過了標(biāo)準(zhǔn)規(guī)定的技術(shù)要求，為該襯套在提速客貨車中的應(yīng)用奠定了基礎(chǔ)。

So William duPont built his depot from a standard Southern Railway floor plan that specified one entrance marked "White" and another marked "Colored."