The height of crowns, the center height of clinical crowns, and the width and length of the dental arch were measured with a digital vernier calliper.
用数显游标卡尺测量实验组模型牙冠高度，牙弓宽度和长度，计算出临床冠中心高度，并与对照组进行对比分析研究。
Key difference is the height of the arch.
关键区别是曲拱的高度。
The diameter, length, arch height and space of bond-wires have great impacts on the radio frequency performance of RF power transistor.
键合线的直径、长度、拱高和并列键合线间距等物理参量，均对器件性能有很大影响。
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