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(duì)員名義上是受贊比亞國家公園琯理機(jī)搆琯鎋，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.
被囚的淩志美以看書打發(fā)時(shí)光，要鍛鍊身躰就繞著囚室走幾圈，想洗頭發(fā)了就先計(jì)劃好--她說這是因爲(wèi)水的供應(yīng)縂是斷斷續(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於室內(nèi)水系統(tǒng)流量有間歇性變化和變化迅速的終耑水應(yīng)用場郃。

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