常見(jiàn)例句雙語(yǔ)例句Example 36. To collect basic index catalog statistics收集基本的索引目錄統(tǒng)計(jì)信息To create a basic index, you use the ensureIndex function.要?jiǎng)?chuàng)建一個(gè)基本索引,使用 ensureIndex 函數(shù)。The example will also familiarize you with basic index operations.該示例還讓您熟悉基本的索引操作。權(quán)威例句According to the ETF Finder at ETF Channel, DD makes up 10.35% of the iShares Dow Jones U.S. Basic Materials Sector Index Fund ETF (IYM)which is trading relatively unchanged on the day Monday.FORBES: See How DuPont Ranks Among Analysts' Top Dow 30 PicksThese little wonders come in two basic flavors, palm-size machines with the dimensions of a small stack of index cards and hand-held computers roughly the size of an extra-long paperback.FORBES: Small and beautiful 返回 basic index