Selectivity estimation for distance join is the basis of optimizing the query of the distance.
距离连接在空间数据库中有着广泛的应用,而距离连接的选择度估计是优化距离查询的基础。
An Efficient Selectivity Estimation for Distance Joins
一种有效的距离连接选择度估计方法
Updates the selected connections so the connector line attaches to the best connection site and takes the shortest route between the two shapes it connects
更新所选连接，以使连接线条附于最佳连接结点，并使它连接的两个形状间的距离最短
No adapter plate is used with this coupling. J represents distance above reference point Y (top of mount bracket).
用这种连接器就不需要连接垫板。J代表距离参考点Y的距离(安装托架顶部)。
The speed of light is the natural link between distance and time measurements.
光速是测量距离和测量时间的天然连接线。
Generally, the connection speed drops logarithmically with distance from the base station.
通常，连接速度对数地以来自恶劣的车站的距离降低。
To find linking points with distance change and dilation technique.
方法 :利用距离变换和膨胀技术 ,找出重叠细胞堆中各细胞的连接点。
Close coupleed--the distance between the last rib and the thigh is short.
从最后一根肋骨到大腿的距离短（译者注：连接紧密地意思）。
If it's unable to appear induction, please check whether the problem is bad contact, inappropriate detection zone, failure insert of the adapter.
若出现不能感应现象，请检查各连接线是否连接不良，感应距离是否合适，适配器有否插好。
As long as the two paired phones stayed within about 30 feet of the base station, they automatically started routing calls through the VTech.
只要连接好的一对设备离基站的距离不超过30英尺，5145就会自动转接手机来电。
Fiber Image Separation Algorithm Based on Simplified Distance Transform
基于距离变换剥离的黏连纤维图像分离算法
Development of Off-line Programming Platform of Remote Laser Welding;
长距离激光焊接离线编程平台的开发
In public switched systems, a charge based on time and distance for a connection beyond an exchange boundary.
在公用交换系统中，一种对局外电话连接按时间和距离的长短而定的收费。
Bluetooth wireless technology is a short-range communications systemintended to replace the cable(s) connecting portable and/or fixed electronicdevices.
蓝牙无线技术是一种短距离的连接便携和固定电子设备的传统线缆替代技术.
Some Properties of Wiener Index and Degree Distance of Connected Graphs;
连通图的Wiener指数和度距离的若干性质
Control of Psychical Distance in the Picture of Dorian Gray;
《道连·葛雷的画像》中的心理距离控制
range hand wheel
距离手轮, 距离盘
continuous ion-exchange contactor
连续离子交换接触器
4-channel straight bus connector. Line spacing is adjustable.
四通道直总线连接器。可调整线间距。