Another common point of confusion regarding use of the term "service" is whether it refers to a suite of related operations or a single operation.
使用“服务”这个术语经常导致的另一种混淆是，它是指一套相关操作，还是指单一操作。
The key point is that no single interaction achieves the meaning of the required service operation.
关键是，任何单一交互都不能实现所需的服务操作的目标。
In some cases, the operations performed by the service method were limited to a single operation to demonstrate a specific point.
在一些情况下，服务方法执行的操作仅限于演示特定点的单个操作。
Line segment tree structure in the tree structure, can carry out the operation of the single point queries, into a period of update.
说明：树结构中线段树结构，可以进行的操作单点查询，成段更新。
Operation mode can be divided into the upper and lower control and ground single control, but also point up point drop, multilayer control.
操作方式可分为上下控制和地面单人控制，也可点升点降、多层控制。
In normal state, FPSO is moored in its operation sea area for a long time by single-point mooring, which is turning with single-point due to environmental loading such as wind, current and waves.
正常状态下，FPSO通过单点系泊装置长期系泊于工作海域，它随着环境载荷的作用绕单点自由转动，此时FPS O受风浪流等载荷的影响较小。
In normal state, FPSO is moored in its operation sea area for a long time by single-point mooring, which is turning with single-point due to environmental loading such as wind, current and waves.
正常状态下，FPSO通过单点系泊装置长期系泊于工作海域，它随着环境载荷的作用绕单点自由转动，此时FPS O受风浪流等载荷的影响较小。
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