视力缺陷使他无法准确聚焦。
采用聚焦离子束和场发射扫描电镜对处于临界破坏状态的节瘤缺陷做剖面分析和观察。
Nodular defects, which are in critical state of damage, are cross-sectioned by focusing on the ion beam and by imaging using a field emission scanning electron microscope.
发现适当降低聚焦加热灯强度、提高衬底加热温度可以降低固化前沿温度梯度，从而降低亚晶界等缺陷密度。
It is found that the temperature gradient of solidifying front edge could be reduced by reducing focused lamp intensity and increasing substrate temperature.
从理论上推导了聚焦探头对缺陷最佳检测能力的计算方法。
The method for calculating the optimum detectability of ultrasonic focussing probe is discussed theoretically.
文摘：从理论上推导了聚焦探头对缺陷最佳检测能力的计算方法。
Abstract: the method for calculating the optimum detectability of ultrasonic focussing probe theoretically.
优秀的测试人员可以快速发现严重的缺陷并且知道首先聚焦于那些重要的测试用例。
Good testers can quickly find serious faults and know how to focus on the important use cases first.
摘要：超声相控阵聚焦能将超声能量聚焦于被检区域，使检测结果更加明显，但缺陷定量结果受相控阵仪器聚焦深度的设置影响较大。
Abstract: ultrasonic phased array focusing ultrasonic energy on the inspected area to make the test results more obvious. The focus depth setting had great influence in defect quantification.
摘要：超声相控阵聚焦能将超声能量聚焦于被检区域，使检测结果更加明显，但缺陷定量结果受相控阵仪器聚焦深度的设置影响较大。
Abstract: ultrasonic phased array focusing ultrasonic energy on the inspected area to make the test results more obvious. The focus depth setting had great influence in defect quantification.
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