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.
虽然90%以上的国家具有使用头盔的法律,但只有40%国家的法律将骑车人和乘客都包含在内,同时要求所戴的头盔应符合特定标准。
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.
结果表明,各项性能均达到或超过了标准规定的技术要求,为该衬套在提速客货车中的应用奠定了基础。
Returns all the patterns in which date and time values can be formatted using the specified standard format string.
返回可使用指定标准格式字符串对日期和时间值进行格式设置的所有模式。
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