标准摘要
[中文适用范围]： 提请用户注意一些更基本的问题，用户在为新应用程序订购设备之前应考虑这些问题，希望这样做有助于确保避免出现性能不理想、成本不利和不可用的情况。 [外文原描述]： Draws attention to some of the more fundamental questions which should be considered by the user before placing an order for a unit for a new application, and in so doing will, it is hoped, help ensure against unsatisfactory performance, unfavourable cost and non-availability.
英文名称Quartz crystal units for oscillators - Part 2: Guide to the use of quartz oscillator crystals