A laser beam like the one pictured up top combines short and long pulses of light to identify individual molecules with a high degree of precision from a safe distance.
一道激光射线由或短或长的光脉冲组合而成，从而能在一个安全的距离高精度地辨别单个的分子。
Conclusion: the use of knitted retraction cord during fixed prosthodontic treatment obviously improves the preparation of cervical margins of teeth with a high degree of precision and adaptation.
结论：固定修复中使用排龈线可以明显提高颈缘制备的精度和密合度，具有良好的临床效果。
Compared with other fault detection methods, it has the advantages of wide ranges of use, high degree of precision, simple operation and easy real time fault detection etc.
与其它故障诊断方法相比较，具有适用范围广、准确度高、运算简单、便于实时故障诊断等优点。
Historians can't estimate the date with any (degree of) precision.
历史学家无法准确估算这个日期。
Historians can't estimate the date with any (degree of) precision.
历史学家无法准确估算这个日期。
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