尖点

The observer is at a great distance compared to the other dimensions of the experiment and the rays are nearly perpendicular to the reflecting surfaces, then the path difference between the two waves (corresponding to r1-r2 in the preceding section) is just twice the thickness d of the air wedge at each point.

如果观察者比起实验装置来讲距离较远而且光线较接近于垂直反射于表面，那么这两光波的光程差(在前面所述的相应部分 r1-r2)就仅仅是空气劈尖在该点处的厚度 d 的两倍。

Leaves prominently black punctate-lineate; bracts subulate, bracteoles and calyx lobes longer than wide, apery, apex acute

显著的叶黑色具点具线纹；苞片钻形，小苞片和萼裂片长于宽，学样，先端锐尖 21 Maesa hupehensis 湖北杜茎山

An instant after he issued with a lighted fagot, which he threw into thedarkness, whistling shrilly.

工夫不大，他拿了一束点着的干柴跑出来，把它扔在黑暗里，同时吹起了尖声的口哨。

It reveals that the lignification of cells around growing points is an important reason of roots elongation inhibition.

结果显示小麦根尖生长点及侧根发生点均被高度木质化的细胞所包围，说明生长点周围细胞细胞壁木质化是铝抑制小麦幼苗根系伸长的一个重要原因。

In the study area, the thinning-out line of albic horizon is coincident with the 55.74m contour line, and the maximum horizon error was less than 1m and the maximum vertical error less than 0.04m.

基于湿地边界标准的湿地的定义应为：湿地是陆地和水体之间的过渡带，是由于地表淹水／土壤水饱和而形成的一种隐域性自然综合体，其上界位于陆地土壤诊断层的尖灭点处，其下界是有根植物下界。

I've taken a notion into my old numskull,' observed Silver. 'Here's the compass; there's the tip-top pint o' Skeleton Island, stickin' out like a tooth.

"我这个死脑瓜骨看出点门道来了，"西尔弗说，这有罗盘，那是骷髅岛的岬角尖，像颗牙似的支出来。

Ive taken a notion into my old numskull, observed Silver. 'Heres the compass; theres the tip-top pint o Skeleton Island, stickin out like a tooth.

"我这个死脑瓜骨看出点门道来了，"西尔弗说，这有罗盘，那是骷髅岛的岬角尖，像颗牙似的支出来。

Point angles at outer corner and chisel edge corner are proposed to be used as the drill design parameters to determine the type uniquely and the relief angle is used as a supplement parameter.

针对该钻型的特点，提出用钻尖主刃的外缘和横刃转点处的锋角作为其设计参数值。

Stomatology doctors found that children 7-12 years old are deciduous, the turn of the permanent teeth, tooth development as well, upper and lower dental contact some teeth too sharp, uneven teeth and maxillofacial, and the resulting high or obstacles Night is caused by the teeth of the important reasons.

口腔科医生发现，儿童在7至12岁是乳牙、恒牙的交替过程，如牙齿发育不好，上下牙颌接触时有的牙尖过高，咬颌面不平，因此造成的高点或障碍点是引起夜磨牙的重要原因。

Pipefish switch with forceps to remove the copper and to remove carbon black contacts, re-connected after the failure to eliminate.

用尖嘴钳取下开关上的铜片，并清除触点上的黑碳，重新接好后，故障消除。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了