a join that displays only the rows that have a match in both joined tables is known as inner join.

the tables or views in the from clause can be specified in any order with an inner join or full outer join.

FROM子句中的表或视图可通过内部联接或完整外部联接按任意顺序指定。

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columns containing null do not match any values when you are creating an inner join and are therefore excluded from the result set.

当创建内部联接时，包含NULL的列不与任何值匹配，因此不包括在结果集内。

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you can then use an sql inner join to get the frequency with which each company in the list is mentioned, as in listing 10.

然后您可以使用一个SQLinnerjoin语句来得到列表中每个公司被提到的频率，如清单10所示。

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an inner join excludes rows from a source table that have no matching rows in the other source tables .

内部联接排除在其他源表中没有匹配行的源表中的行。

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the fact that this is also called an inner join might also indicate that an alternative called outer join exists.

这也被称为INNERJOIN，这一事实也表明有另一种称作OUTERJOIN的类型存在。

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as a noun, the process or result of joining tables, as in the term "inner join" to indicate a particular method of joining tables.

作为名词，是指联接表的过程或结果，如同在术语“内部联接”中，指联接表的一种特殊方法。

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after a join hint is specified, the inner keyword is no longer optional and must be explicitly stated for an inner join to be performed.

指定联接提示后，要执行INNERJOIN时，INNER关键字不再为可选，而必须显式说明。

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application of transducer technology in control system of sounding rod of bf

变频技术在高炉探尺中的应用

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application of frequency converters in the control system of sounding rod of blast furnace

变频调速在高炉探尺控制系统中的应用

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"hey, dear fishworm, would you please loosen the earth around me? " he asked softly.

“喂，亲爱的蚯蚓大哥，帮我松一松土吧。”它细声细气地说道。

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mai chiru kanashimi your song

你的歌是飞舞散落的悲伤

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the most recent problem faced by the chiru is the new tibet-qinghai

藏羚羊最近遇到的最大的问题就是青藏铁路的修建

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out on the plateau, new-born chiru are vulnerable to predators,

在高原上新出生的藏羚羊容易受到肉食动物的攻击

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now there are about 50, 000 chiru still left in the world.

现在世界上大约仅存5万只藏羚羊。

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but the chiru have an advantage.

但是藏羚羊也有优势

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this change is illustrated in the fortunes of the chiru .

这种变化在藏羚羊的命运上得到了体现。

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female chiru can head to the birthing grounds in relative safety.

母藏羚羊可以相对安全地带领羊群到繁衍的地方

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chiru, or tibetan antelope, have arrived for the winter rut.

长角羚或叫藏羚羊已经到了冬季的发情期

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antipoaching laws are now actively enforced so every summer, female chiru can head to the birthing grounds in relative safety.

反偷猎法已经生效，所以每个夏天，母藏羚羊可以相对安全的带领羊群到繁衍的地方。

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the most recent problem faced by the chiru is the new tibet-qinghairailway, which cuts right through their traditional migration routes.

最近它们遇到的问题是新建的青藏铁路，铁路阻隔了它们以往的迁徙路线。

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