时有时无的网络连接使故障查询工作更加困难。
The up and down network connectivity makes the troubleshooting matter even worse.
南非人民也应能想到，时有时无的电力供应问题将不会有改观。
Meanwhile South Africans can expect their lights to flicker on and off.
这可能造成时有时无的性能结果，这与测试时网络的利用率直接有关。
This can cause sporadic performance results depending directly upon the network utilization at the time of the tests.
为了避免读者指责我利益冲突，我应该补充一点，虽然我们保持着时有时无的联系，我们从来没有一起社交过。
Lest readers charge me with conflict of interest, I should add that, though we've stayed in touch off and on, we've never socialized.
经过了十年的咖啡屋会议，时有时无的情感睦葛，和闹腾又温馨的回忆，老友记的粉丝们终于迎来了曲终人散。
After ten years of coffee-house meetings on-and-off romances and memories both hilarious and heartwarming the series wrapped up with fans feeling a sense of closure.
大自然就是这样让人不可捉摸：风时有时无，风大的时候不得不关停所有风机。
Nature is unpredictable: Sometimes there is no wind; other times, it's so strong the turbines have to be shut down.
随着我们眼睛看画像部位的不同，蒙娜丽莎的微笑也就时有时无。
As our eyes scan different parts of the portrait, Mona's smile seems to fade in and out.
然后，他流落于华纳兄弟片场，作为制作电影布景的木工，工作时有时无，而他的运气由此发生了改变。
Then he drifted into casual jobs as a film-set carpenter at Warner Brothers and his luck changed.
所有这些都是8月8号早晨开始的，然后袭击时有时无，但是从8号到15号，飞机从来没有停止过轰炸。
The morning of [August] 8 is when everything started, " Meladze said. "So, then it was going up and down, up and down, but the planes never stopped from [the] eighth to 15."
小雪时有时无地飘落着，大屏幕电视上播放着周日下午举行的群星荟萃的一场音乐会的画面，周围则聚满了人群。
As light snow fell intermittently, small crowds gathered around large-screen televisions showing reruns of Sunday afternoon's concert featuring a star-studded cast.
然而清醒的状态显然不是恒常的，它在二十四小时里时有时无地出现。
And yet clearly the waking state is not permanent. It comes and goes every twenty-four hours.
他的良心时有时无。
且厂家由于原材料时有时无，也不答应远期交货的定单。
When the raw materials and manufacturers, also don't promise is sometimes the forward delivery order.
且厂家由于原材料时有时无，也不答应远期交货的定单。
When the raw materials and manufacturers, also don't promise is sometimes the forward delivery order.
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