这个键(或多个键)用于替代这个参数标记(或多个标记)，参数标记被定义为在RPG handle_open子过程中创建的sql语句字符串的一部分。

The key (or keys) are used to replace the parameter marker (or markers) which were defined as part of the SQL statement string created in the RPG HANDLE_OPEN sub-procedure.

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这主要是由于前面两点造成的，但几乎在使用键替代 Xpath表达式的每一种情况下，XSL转换都更为简单，时间也更短。

This is largely a result of the previous two items, but in almost every case using keys instead of XPath expressions results in simpler and shorter XSL transforms.

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注意，这里建议了一个新的分区键(L_ORDERKEY)，用以替代当前的分区键(L_PARTKEY)，后者被注释掉了。

Note that a new partitioning key is recommended (L_ORDERKEY) to replace the current one (L_PARTKEY), which is commented out.

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一个理想的替代方法是生产液态碳氢化合物如醇，使更多的能量可以储存在碳碳键里。

A desirable alternative is to produce liquid hydrocarbons such as alcohols, as far more energy can be stored in the carbon-carbon bond.

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注意：用于替代的数组中，键并不保留。

Note: the keys in the replacement array are not preserved.

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本文讨论了在气固界面上化学吸附键的性质，并指出热力学方法具有能准确给出一系列化学吸附参数的不可替代的重要性。

This paper studies the nature of chemisorption bond and points out that the thermodynamic mic method is irreplaceable in giving parameters of chemisorption.

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常见的替代项包括索引列或其他唯一键列的群集。

Common alternatives include clustering index columns or other unique key columns.

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常见的替代项包括索引列或其他唯一键列的群集。

Common alternatives include clustering index columns or other unique key columns.

youdao