In most cases, a representative sample of data is required for defining the statistics of the wind field . 在大部分情況下,為了確定風(fēng)場(chǎng)的統(tǒng)計(jì),需要代表性的數(shù)據(jù)樣品。
Specifies that a sample of data from the table is returned 指定返回來(lái)自表的數(shù)據(jù)樣本。