But, behind the scenes, a series of technological innovations known broadly as containerization and inter-modal transportation has led to swift productivity improvements in cargo-handling.

但是在幕后，装箱化和中间运输模式等改革使得货物理的效率提高很多。

These projects may use intermediate technology – equipment and machinery suited to local conditions that local people can operate and maintain.

这些项目可能会使用中间——合当地条件、当地人可以操作和维护的设备和机械。