用户编写的Map操作需要输入并生成一组中间键/值对。
The Map operation, written by the user, takes an input pair and produces a set of intermediate key/value pairs.
在微软的风格指南中说，中间键“应该分配给界面上已有的操作或功能”而一度将它定义为右键的储备。
In its style guide, Microsoft states that the middle button "should be assigned to operations or functions already in the interface," a definition it once reserved for the right mouse button.
要使用映射键从数据源检索数据以构造中间对象，请执行以下操作。
To retrieve data from a data source using mapped keys for constructing an intermediate object.
因此在中间，这些键，一方面是离子性，另一方面是完美的共价键。
So, somewhere in between, the bonds are, we have a range of bonds between ionic on the one hand, and perfectly covalent on the other hand.
这样将至少为索引可以基于中间页中的键集拥有的最大大小的一行留出足够的空间。
This leaves sufficient space for at least one row of the maximum size that the index can have, based on the set of keys on the intermediate pages.
醇腈酶在化学合成中催化碳碳键的形成，其产物氰醇可以转化成多种重要的手性医药和农药中间体。
The hydroxynitrile lyases (HNLs) were used as catalyst for synthesis of enantiopure cyanohydrins which serve as versatile bifunctional building blocks for agro-and pharmaceutical intermediates.
快捷键是一组提供直接对命令或对话框一次敲击访问的键组合，绕过任何中间菜单。
A key combination that provides one-stroke access directly to a command or dialog box, bypassing any intermediate menus.
座椅中间宽阔的副仪表台底下安装了电池组，这是整车的心脏部位，含有各种开关和控制键。
The large central tunnel which houses the batteries is undoubtedly the heart of the vehicle and contains all the switches and controls.
运用量子化学、晶体场及化学成键理论，深入分析了中间化合物及一氧化钛的相对稳定性。
The relative stabilities of intermediate compounds and titanium monoxide were examined deeply with quantum chemistry, crystal field and chemical bond theory.
对变速箱中间轴键的强度进行了校核，提出了对中间轴脱键及键损坏等质量问题的改进措施。
This paper makes the strength check of gearbox's middle axle key, and advances the improving countermeasures for its quality problems such as running-off-key and key damaging of the middle axle.
对变速箱中间轴键的强度进行了校核，提出了对中间轴脱键及键损坏等质量问题的改进措施。
This paper makes the strength check of gearbox's middle axle key, and advances the improving countermeasures for its quality problems such as running-off-key and key damaging of the middle axle.
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