primary node的用法和樣例：
例句
- The master node divides the work between several slave nodes.
主節點(diǎn)負責將任務(wù)劃分到多個(gè)從節點(diǎn)上。 - This application shows the processes that have been migrated from the master node to the drone.
這個(gè)應用程序顯示已經(jīng)從主節點(diǎn)遷移到從屬節點(diǎn)的進(jìn)程。
