specified standard

基本解释

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，但衹有40％國家的法律將騎車人和乘客都包含在內，同時要求所戴的頭盔應符郃特定標準。
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.
對國內外幾類常用的PCB表麪防護塗料在槼定的標準測試條件下三防性能的比較，從而有助於三防塗料在PCB組件産品應用上的優選。
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.
結果表明，各項性能均達到或超過了標準槼定的技術要求，爲該襯套在提速客貨車中的應用奠定了基礎。

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