In addition, a navigation transaction may span the operation of an invoked service, but it does not have to.

另外，导航事务可能将调用服务的操作分开，但它不得不这么做。

youdao

When a structure is built over the curved, the structure span will greatly affect the ship (or fleet) navigation.

在弯曲航道修建过河建筑物，其跨度大小对船舶航行有重要的影响。

youdao

The services he cite span several functions, including navigation applications and applications that geo-track objects, trucks and ships.

FORBES: Inventor Claims Google Violating Patent With Android Location Based Services

One thing that propelled the great scientific, commercial, and cultural thrusts of the past 1, 000 years: time and time-keeping, which have given us navigation, the factory clock and the diminishing attention span.

ECONOMIST: Letters