intermittent service

基本解釋

The scouts were nominally under the control of Zambia’s park service, but they were paid, at best, irregularly, and were in only intermittent communication with their superiors.
巡防隊員名義上是受贊比亞國家公園管理機構管轄，但是他們的工資即便有人發(fā)也是斷斷續(xù)續(xù)的，而且他們與上司的聯(lián)系也不緊密。
The reporter passed her time in captivity reading, walking in circles around her cell for exercise and planning when she would wash her hair, because water service was intermittent, she added.
被囚的凌志美以看書打發(fā)時光，要鍛煉身體就繞著囚室走幾圈，想洗頭發(fā)了就先計劃好--她說這是因為水的供應總是斷斷續(xù)續(xù)的。
Series 2300 Direct Operated Water Pressure Reducing Valves are designed for dead-end water service where the flow is intermittent and changes rapidly, as on domestic water system.
系列2300直接操作水減壓閥適用于室內水系統(tǒng)流量有間歇性變化和變化迅速的終端水應用場合。

There's a whole discipline, called queuing theory, on scheduling service to cope with intermittent demand.
FORBES: Hurry Up And Wait