“checkout”的概念、定义、翻译、参考文献-科学参考

checkout

Space Exploration

The on-board procedures to check that a spacecraft's systems and subsystems are functioning properly. When NASA's space shuttle has been launched and begins to cruise in orbit, the designated checkout periods begin, usually 1 minute and 18 seconds after launch, over the Hawaii tracking station. Among the checks, telemetry is analysed to see how well the shuttle survived the launch and establish its general health. Questionable components are tested, scientific instruments are turned on and calibrated, and celestial references are monitored to ensure attitude control.

Computer

1. All activities concerned with bringing a program to the state where it produces some results (as distinct from, say, failing to compile or terminating abnormally) so that testing can begin. Such activities might include desk checking, i.e. checking by human inspection, and use of a special ‘checkout’ mode of compilation and execution that provides extensive information on erroneous use of the programming language or abnormal program termination.
2. The action of taking a configuration item from a repository prior to making changes to it. The act of removal usually locks the item so that nobody else may check it out until it has been formally returned.

单词	checkout
释义	checkout Space Exploration The on-board procedures to check that a spacecraft's systems and subsystems are functioning properly. When NASA's space shuttle has been launched and begins to cruise in orbit, the designated checkout periods begin, usually 1 minute and 18 seconds after launch, over the Hawaii tracking station. Among the checks, telemetry is analysed to see how well the shuttle survived the launch and establish its general health. Questionable components are tested, scientific instruments are turned on and calibrated, and celestial references are monitored to ensure attitude control. Computer 1. All activities concerned with bringing a program to the state where it produces some results (as distinct from, say, failing to compile or terminating abnormally) so that testing can begin. Such activities might include desk checking, i.e. checking by human inspection, and use of a special ‘checkout’ mode of compilation and execution that provides extensive information on erroneous use of the programming language or abnormal program termination. 2. The action of taking a configuration item from a repository prior to making changes to it. The act of removal usually locks the item so that nobody else may check it out until it has been formally returned.
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