Dr. Dial says some of his most important observations have been made watching a bird glide by while he is fly fishing, and then heading back to the lab with a new theory to test.

戴尔表示，一些最重要的观测结果是他在飞蝇钓时通过观察鸟类滑翔得到的，因此，当钓鱼活动结束后，他就带着要试验的新理论返回实验室了。

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The article discusses about the proper selection of static relay test points through introducing the contactor sketch of rectifying static relays with digital dial switches and easy-happening faults.

通过对静态继电器整定用数字拨盘开关接点转换示意图和易发生的故障介绍，初步探讨了静态继电器的测试点的合理选择方法。

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A feeler gauge a dial indicator or a cam-angle meter can be used to test the amount of contact-point opening.

测隙规，千分表或触点闭合角测定表也可检测触点开度。

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Unfortunately, this is a test of patience with a dial-up connection.

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