查询的

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蜗杆减速机-行走减速机有哪些生产厂家蜗杆减速机蚌埠市行星工程机械有限公司，还有一些，你可以登录减速机协会官方网站-中国减速机信息网上面有按产品查询企业和按地区查询企业，中国减速机信息网面向减速机用户，服务于广大的减速机生产单位和经销单位。

To include all fields or columns from a single table or query in the record source, click the arrow in the RecordSource property box to select from a list of tables and queries.

若要在记录源中包含一个表或查询的所有字段或列，请单击"记录源"属性框中的箭头，从表或查询的列表中进行选择。

You can drag an existing query or table directly from the Database window to query Design view or to the Relationships window to add it.

您可以从"数据库"窗口中将现有的查询或表直接拖到查询的"设计"视图或"关系"窗口中以将其加入。

After that, an approach to rewrite a simple path expression into a SQL statement is described.

然后，进一步描述了将简单路径表达式查询重写为SQL查询的方法。

Finally, based on these algorithms and cost model presented in this paper, a method to process subgraph queries in form of general DAGs is proposed.

基于这些算法和所给出的代价模型，提出了一般DAG子图查询的处理算法和查询优化策略。

The execution methods of inheritance hierarchy queries and recursive transitive closure queries are given.

三、给出了对继承层次查询和递归式的传递闭包查询的执行方法。

So it doesn't FEEL like I'm querying anything when I query SQL.

因此，它不觉得我查询什么，当我查询的SQL。

The method of materializing views based on queries of time period can meet the needs of clients, and enhance the efficiency of queries.

基于时间段查询的物化视图更新策略可充分适应用户需求，提高查询效率。

For example, the results of a query are to be recomputed whenever the query changes its location.

比如说，当查询的位置发生变动时查询结果会被重新计算。

The result also often has only "scope" but no "depth" and exists plenty of rubbishes. Query mechanism is inflexible and hasnt point.

查询的结果往往只有&广度&而没有&深度&，存在大量的垃圾信息；查询机制呆板，没有针对性。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。