Back-crossing的意思|示意
Back-crossing的网络常见释义
回交 在 α -天冬氨酰二肽酶的定向 进化研究中，经过三轮连续的易错PCR 和DNA 重组 以及一轮 回交 （ back-crossing ），在酶活力和热稳定性 双重选择压力下，筛选得到了一株酶活力和热稳定 性都有较大提高的进化酶 pepEM3074。
Back-crossing相关短语
1、 substitution back crossing 替换回交
2、 back crossing 回交
3、 crossing at back vent 背衩搭叠过多
Back-crossing相关例句
Well, do be careful, because crossing the line from friends to lovers, even if it's only for one big kiss, means no going back.
你要小心啊，越过那条界限，从朋友成为恋人，哪怕只是一个亲吻，也代表没有回头路可走了。
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。
The whole skill of back flop in teaching can be divided into four parts, approaching, taking off, crossing bar clearance, landing.
在背越式跳高的完整技术教学过程中，其技术构成可分为四个部分：助跑、起跳、过杆、落地。
I am there to assist in the crossing over of humans back into the spiritual realm once their time in the physical is complete.
一旦人们在物质世界的时间完结了，我便协助他们回到精神领域。
This was only the third vehicle crossing of Antarctica in history, and the first to get there and back.
这是历史上仅有的第三次驾驶交通工具的南极穿越，更是第一次往返。
We've been all the way to the moon and back, but have trouble crossing the street to meet a new neighbour.
我们经过重重困难到了月亮又回来，却觉得过一条街去见一位新邻居是一种麻烦。