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- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- the annular form 环型
- The annular space is evacuated and contains multiplayer insulation. 环形空隙被抽空排气，装有多层隔热材料。
- Lithologic reservoirs may form radioactive radon anomalies at surface, which generally assume the annular anomaly pattern. 摘要岩性油藏在地表可产生放射性氡异常，呈环状模式。
- All tanks are powder and vacuum insulated in the annular space. 所有罐都有真空环形隔热层。
- The annular multi-hole radial jets have important effect on combustor liner. 环向径向射流对燃烧室火焰筒内的流场有着重要的影响。
- We have chosen the best place to observe the annular eclipse of the sun. 我选定了一个观测日环食的最佳地点。
- Sealing scraper and the seal membrane cover the annular space between floating roof and the shell of tank in order to isolate effectively oil gas leaked by once sealing form the atmosphere. 密封刮板、密封隔膜整条地覆盖于浮顶与罐壁的环形空间上，有效隔离了由一次密封逸出的油气与大气相通。
- The paint is sold in powdered form. 该油漆以粉制品形式出售。
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- The ginpole is the simplest form of derrick. 起重吊杆是一种最简单的起重机。
- The annular clamped diaphragm is extensively insensitive to jarring or vibration. 环形固定的膜片对振动或震动有抵抗性。
- The script is massaged into final form. 这篇稿子经过修改已定稿。
- The annular flume, which is an ideal instrument to study fine sediment, is restricted by the technology of sediment measurement. 摘要环形水槽是研究细颗粒泥沙的理想装置，但测沙技术的相对滞后极大地制约了环形水槽的使用。
- The annular lens dark field vertical illumination system has been more and more applied in special microscopes. 环形透镜暗场落射照明系统越来越多被应用在特型显微镜上。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- The same feature is also shown in patients in whom the annular pancreas partially encircles the duodenum. 这个特征也可以显示在环状胰腺部分环绕十二指肠时。
- Suits the long material, the plate, the annular material and the anomalous cargo memory. 适合长物料、板材、环型物料和不规则的货物存储。
- The two parties have united to form a coalition. 这两个党已结成联盟。
- The annular swarf\|carrying velocity reduced with the increase of hole deviation angle and swarf size. 铣屑的环空返出率随着井眼倾角、铣屑尺寸的增大呈下降趋势。
