PAE is stable over generations and has been suggested to be caused by unequal crossing-over.
PAE突变能在世代间稳定传递，其产生机制可能为等位基因间的不等交换。
Due to DC arc extinguishing current has no natural zero-crossing point, so, DC arc can only been extinguished by forced zero-crossing-over.
由于直流熄弧电流不存在自然的过零点，因此必须强制过零才能熄灭直流电弧。
He made the crossing from Cape Town to Sydney in just over twenty-six days.
他从开普敦横渡到悉尼只用了二十六天多时间。
Don't worry about crossing over the tracks.
不用为穿过铁道而担心。
Moose reached Isle Royale in Lake Superior by crossing over winter ice and multiplied freely there in isolation without predators.
麋鹿穿过冬天的冰雪，到达苏必利尔湖的皇家岛，在那里，它们没有天敌，自由繁殖。
It is believed to have originated in South America in the early 1900s, and later spread to Europe before crossing over to sub-Saharan Africa.
它被认为是在20世纪初起源于南美洲，后来传播到欧洲，然后跨越到撒哈拉以南的非洲。
Valley Crossing will take you through some stunning scenery but there are several points along the way where you'll need the level of fitness required to get over some pretty big rocks.
山谷穿越路线会带你们欣赏沿途一些令人惊叹的美景，但经过某些地方时，大家需要具备良好的身体素质，才能翻越巨大的石头。
Try to avoid crossing your arms over your chest and looking closed off.
尽量避免双臂交叉在胸前，看起来很封闭。
My mum fell over and was badly hurt while she was crossing a road on a rainy day.
我妈妈在一个雨天过马路时摔倒了，受了重伤。
York University's rover flipped over after crossing a steep ridge during the emergency rescue task.
紧急就越任务中，约克大学的漫游者在穿越一段陡峭的斜坡时突然翻倒。
Crossing over the Pacific Ocean.
穿越太平洋的两岸。
The hymn doesn't anywhere refer to people crossing over on dry land.
在赞美诗中并没有提到人们从地面上穿过海洋。
Martin knew of the enormous gulf between him and this man - the gulf the books had made; but he found no difficulty in crossing back over that gulf.
马丁知道他跟自己之间有一道很大的鸿沟——那是读书造成的。他要是愿意跨回去倒也容易。
This Thought Labeling technique helps you recognize that a thought is just a thought and works to prevent that thought from crossing over the mind-body connection.
这个想法是一种技巧（思想标签），可以帮助你认清想法只是个想法，可以阻止这个想法对身体和思想的联系产生干扰”。
Maybe it served as a bridge for cars to force a crossing over rivers and other natural barriers.
也许它的桥性装置可以让其它车辆顺利通过河流或者其它自然界的障碍。
But policy makers across the region will still be crossing their fingers that Europe's response over the weekend really can stem the crisis.
但这一地区的决策者仍将合掌企盼周末期间欧洲批准的救助计划能够真地解决这场危机。
If the borders are closed, then I have no way of crossing over completely.
如果边界关了，那我就没有办法完全穿过去。
A minibus whisked me from the hotel up to Arthur's Pass, at some 3, 000ft the highest point on the road-and-rail crossing over the mountains, where I found the train waiting.
一辆小巴把我从酒店送到海拔3,000英尺的阿瑟山口，这里是山上最高的公路与铁路交汇点，火车已经在那里等候。
And as VoIP gains steam, telecommunications are increasingly crossing over into the network administration arena.
随着VoIP获得了流量，电信正逐渐跨越到网络管理领域。
The square at the new border checkpoint in Meng 'a village is largely deserted. Past a four-storey building, over a bridge crossing the swift-flowing Nanka river, is Myanmar.
在Menga村广场上的新边境检查站几乎是弃置不用的，开过一幢四层小楼，越过Nanka河上的一座桥就来到了缅甸。
The turban: it is enlivened by small highlights (Vermeer's trademark), mainly on the yellow part crossing over her head and at the bottom of the turban, behind her shoulders.
头巾：因为有了细小的高光(维米尔的标志性笔法)而显得更加生动活泼，主要位于头巾在头顶位置的黄色部分和肩膀后面的头巾底部。
Now take that piece of dangling gold thread and go back and forth over and around the angel, crossing over the chest and back and under the arms to secure it all.
现在用金线绕着天使的胸、背部和臂下来回缠绕。
In the past, Cubans made the crossing-just over 100 miles (160km) between Havana and Key west-in home-made rafts.
以前，古巴人乘自制木筏横渡大海——从哈瓦那到基韦斯特仅有100多英里(160km)。
Crossing over from Internet and platform gaming to mobile gaming.
从互联网平台游戏到手机平台游戏跨平台发展。
Conclusion: Homologues pairing in mice is in different ways, the number of chiasmata and crossing over is various too.
结论：大多数同源染色体以不同方式进行配对，交叉互换的数目也各不相同。
Crossing over this very sharp dividing line that we have made between humans and the rest of life is very taboo.
在人类和其他生命之间，我们一直划有一条严格的区分线。跨越这条线是一个禁忌。
Crossing over at the front of the stroke causes you to snake in the water. This pulls you off course.
身前的划水过中线造成你在水中蛇形，这会拉你偏离航向。
Crossing over at the front of the stroke causes you to snake in the water. This pulls you off course.
身前的划水过中线造成你在水中蛇形，这会拉你偏离航向。
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