intermittently

We can distinguish two types of global climates which occurred intermittently in the past.

我们可以把全球性的气候分成两种类型,过去这两种气候轮替出现.

The foaming line of surf stretched port and starboard, broken intermittently.

船的左右舷处都涌动着海浪泛起的泡沫.

The orchards and forests run intermittently for nearly 200 km.

果园和森林交叉着延伸近200公里.

It is better for a dry battery to be used intermittently.

干电池最好间歇使用.

Seams in the anorthosite series are only intermittently exposed.

斜长岩组中的矿层仅断续出露.

But random ports seem to be shutting down intermittently.

但某些随机端口却似乎间歇性地在关闭.

I kept the boys in sight intermittently all the way.

一路上我时不时地看着孩子们.

Electronically-controlled injection systems use electro-magnetic injectors to inject the fuel intermittently.

电子控制燃油喷射系统采用电磁式喷油器断续地喷射燃油.

The fault occurs intermittently and only in rare cases.

故障间断地和仅仅在极少例子中出现.

At some higher velocity individual grains will roll and slide intermittently along the bed.

在稍高一些的流速时,个别的颗粒沿着河床间歇地滚动和滑动.

Still another system is designed to send out transient pulses intermittently.

还设计了另一种系统,它能够间歇地发送瞬间脉冲.

The resin moves intermittently down and out of the bed.

树脂周期地向下移动和移出床层.

The bathroom drains emits foul odor intermittently at night.

浴室的排水渠在夜间排放恶臭的气味.

If stations are only intermittently visible it may be the only practicable system.

若有一些方向只能断斯续续地通视,这可能是唯一实用的方法.

Does the impairment of your hearing occur constantly or intermittently?

您的听力减退是持续性的还是间歇性的?