1·Using this method, a connection is created each time you access the database from your program, thereby incurring a substantial processing overhead.
通过该方法，每当您从程序访问数据库时，都要创建连接，从而招致大量的处理开销。
2·There are both internal connection and substantial difference between the modern logistics and the traditional freight transportation plus storage.
现代物流同传统货运与仓储既有内在联系又有本质区别。
3·Devices, make possible substantial to enlarge the distance of connection USB exist.
装置，使得有可能大幅放大的距离连接的USB存在。
4·When Amazon is fitted with RCA plugs, two conductor pairs are used together for the much higher potential across the negative connection, providing a substantial performance advantage.
当“亚马逊”以rca作插头，两对导体则被一起使用，以应付更高的电位通过负连结时，提供更为优异的表现。