The value of knowledge and the return on the public investment in research depends, in part, upon wide distribution and ready access.
知识是否有价值、以及在科研领域的公共投资是否取得了回报,部分取决于研究的成果是否能够广泛地供应给人们,以及人们是否能够感受到这些研究成果。
Although unwieldy, this does correctly match the predicate on the server and return the expected value.
虽然有些笨拙,但是这的确能正确地匹配服务器上的谓词,并返回预期的值。
You can test for them explicitly or rely on PHP to return a default empty value when you reference them.
您可以显式地对它们进行检测,或在您引用它们时让 PHP返回缺省的空值。
And the reason that we now on the second line have the equal sign is because this function GetString has what's called a return value.
我们之所以,在第二行代码GetString前面加上等号,是因为这个函数会带回一个,返回值。
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