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- helical tickening 螺纹加厚
- The helical spring can no longer be used. 盘簧不能再用了。
- I was woken up by the ticken inspector. 我被查票的人唤醒。
- The polynucleotide chain is helical. 多核苷酸键是螺旋形的。
- The helical gear has become worked down over the years. 斜齿轮因为年久而磨损了。
- The milling machine is often employed to cutspur and helical gears. 铣床常用来铣制正齿轮和斜齿轮。
- Virions may be polyhedral or helical and vary greatly in size. 其形状有多面体形和螺旋形，其体积大小多变。
- Helical circular mixture ,fast and uniform stirring. 螺旋循环搅拌使得原料混合更加均匀、快速。
- Helical rotor is one of the key parts of high consistency repulper. 螺旋转子是高浓碎浆机的关键部件。
- The SARS viral nucleocapsid is tubular with a helical symmetry. 沙士病毒的核壳呈管形，属螺旋对称型。
- Conclusions Helical CT scan is of great value to the diagno... 结论螺旋CT平扫在诊断急诊输尿管结石具有重要的临床价值。
- No malignant lesion was misdiagnosed.Conclusion: Helical CT pne... 结论:螺旋CT结肠充气造影对结肠癌的诊断及分期具有重要价值。
- Helical scircular misture , fast and uniform stirring. 螺旋循环搅拌使得原料混合更加均匀，快速。
- Double helical structure of DNA and types of DNA helices. 去氧核糖核酸的双螺旋结构与其类别。
- "Multiphasic helical CT is the modality of choice in this cohort. 作者表示，多面螺旋电脑扫描是物理疗法的另一种选择。
- Purpose:To improve understanding the helical CT features of celiac abscesses. 目的:提高对腹腔脓肿的螺旋CT表现的认识。
- Two same scan protocols were prepared: unenhanced helical and enhanced CTA. 即制定两组扫描参数相同的计划螺旋采集平扫与增强扫描。
- Helical CT is therefore contraindicated in children and pregnant women. 因此多面螺旋电脑扫描禁用于儿童及孕妇身上。
- Methods: To use helical CT to measure the GBEF(gallbladder ejection fraction). 方法：利用螺旋CT测量胆囊收缩率。
- Analysis on dispersion characteristics of helical groove gyro TWT[J]. 引用该论文 杨家栋;宫玉彬;魏彦玉;黄民智;王文祥.
