aggregate_field_有道手机词典

1.HeLuanShi system in engineering field, pressure-blasting machine is mechanism sand, cushion material, asphalt concrete and cement concrete aggregate ideal production equipment.
在工程领域，河卵石制砂机是机制砂、垫层料、沥青混凝土和水泥混凝土骨料的理想生产设备。
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2.A field such as ContactDatabase.N can be an aggregate composed of up to five parts, as follows, where the integer represents the index of the respective component part.
如ContactDatabase . n之类的字段可以是最多由5个部分组成的聚合，如下所示，其中整数表示各个组件部分的索引。
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3.Instead of indexing many small text fields, aggregate the text into a single "contents" field and index only that (you can still store the other fields).
如果你要索引很多小文本字段，如果没有特别需求，建议你将这些小文本字段合并为一个大的contents字段，然后只索引contents。
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