用线性化质粒DNA 电穿孔前环锥虫体，筛选其对磷霉素的抗性。
Procyclic trypanosomes were electroporated with linearised plasmid DNA and selected for resistance to phleomycin.
方法：骨盆前环外固定支架固定，骨盆后环经皮骶髂空心螺钉固定治疗骨盆骨折。
Methods: the fractured pelvis was fixed by external support at the anterior ring and percutaneous sacroiliac canulated screw at the posterior ring.
固定方法有：前环骨折采用钢板固定；后环骨折分离采用骶骨棒，四孔方形钢板，松质骨螺钉固定。
The methods include posterior ring internal fixation by using sacral bars, four-hole square plates or cancellous screws with anterior ring fixed by plates.
400年前，伽利略首先发现了土星环。
2年前，自然英格兰(NaturalEngland)认定环颈鹦鹉及和尚鹦鹉有害，可以对它们进行捕杀而不需得到许可。
Two years ago, Natural England designated ring-necked and monk parakeets as pests, enabling them to be shot without a licence.
上图的插图中，在大量的背景恒星前，部分的尘埃环套以橘色显示。
Pictured above in the inset, part of the dust ring appears as false-color orange in front of numerous background stars.
本发明涉及一种下压式集聚纺纱装置，它属于一种环锭细纱机前区牵伸用下压式集聚纺纱设备。
The invention relates to an underslung integrated composite spinning device, belonging to an underslung integrated composite spinning device for tracting a front area of a ring spinning frame.
开胸暴露心脏后找到左冠前降支（LAD）穿线做套环，但不收紧结扎线；
For sham operation group, expose heart by surgery and find left anterior descending (LAD) coronary artery, and then braid to make a ringer but remain the silk untensioned;
针对速度环难以对负载转矩扰动进行及时调节的问题，设计了负载转矩的前馈环节来进行动态转矩补偿。
Also, to compensate the torque disturbance caused by load variations, a torque disturbance feed-forward is designed in motor speed loop.
烧烤前将肉用腌泡汁浸泡10分钟可以充分地减少杂环胺化合物的形成。
Marinating meat for 10 minutes before grilling can reduce the formation of HCAs substantially.
学龄前的教育是整个教育中最重要的一环。
The pre-school education is the most important of the whole education.
环比指数指通过把某一时期的数值与前一时期的数值相比，而不是与固定基期相比而得出的指数。
Chain index an index number derived by relating the value at any given period to the value in the previous period rather than to a fixed base.
印前色彩管理是印刷行业整个色彩复制工作中的重要一环。
The color management before print is an important part of the whole color reproduction works in print.
自四百年前土星环被伽利略首次发现以来，科学家一直难以对其成因做出解释。
Galileo first spotted Saturn's rings 400 years ago. But since then, scientists have been stumped about how they got there.
系统中位置环采用前馈控制，提高了位置控制性能。
Feedforward control was adopted in position loop and it improved performance.
大学英语写作教学改革中重要的一环就是写前阶段教师的角色转换。
Teachers' role conversion in pre-writing phase is regarded as important in college English writing reform.
但在胫前肌内未看到环层小体。
We found no Pacinian corpuscles in the musculus tibialis anterior.
结果巩膜环扎外加压术引起角膜前表面周边部术后1周屈光度显著减小（P<0.01）；
Results After surgery, refractive power on corneal anterior surface decreased significantly in peripheral zone at 1 week(P< 0.01).
记录二尖瓣环侧壁、间隔、前壁和下壁的运动频谱。
The septum, lateral, anterior and inferior walls of the mitral annulus were displayed, and selected for DTI spectral sampling.
采用膝前正中切口联合髌囊环扎治疗髌骨粉碎性骨折疗效满意。
Patella with knee joint capsule incision encircling the treatment of patellar fracture results were satisfactory.
并通过分析转速输出曲线，提出了加入模糊速度前馈控制环的系统改进方案，系统稳定性得到较大提高。
An improvement which adds fuzzy speed feedforward controller to the system is described after analyzing the output curve of rotor speed. Remarkably, the stability of system is enhanced.
展望未来，数据日历包括最新的英国消费者物价指数，市场预期该指数将环比上扬0.6%，同比上扬4.5%，而前值分别是环比上扬0.0%，同比上扬4.4%。
Looking ahead, the data calendar includes the latest UK CPI figures where markets are expecting 0.6% MoM, 4.5% YoY increases to the headline measure, after last month's 0.0%, 4.4% reading.
此外，卵母细胞中核仁周围出现染色质环是否代表最终成熟或闭锁前的一个步骤还不清楚。
Besides, it is not known whether the perinucleolar ring in an oocyte represents a step toward final maturation or atresia.
其腹面口区具二环围口纤毛列及一口前纤毛列；背面具一列背刚毛；腹面纤毛列的数目可发生较大变动。
There are two circumoral ciliarvrows and a preoral ciliary row on the buccal region and a dorsal row of bristles.
第二版调焦环上的棱比前一版更宽更深。
The second version also has wider and deeper knurling on the focusing ring than the previous version.
叠前时间偏移是一项理论与经验紧密结合的应用技术，处理过程中每一环节均会对成像产生影响。
Prestack time migration processing is an application technology of combination of theory and experience. Each stage will have an impact on migration imaging.
世界卫生组织说，大规模开展男性环切可以在2025年前防止400万人感染艾滋病毒。
The World Health Organization says mass circumcision could prevent 4 million new HIV infections before 2025.
《新京报》消息，今年年底前，WIFI无线网络将在北京五环以内实现全覆盖。
Beijing will complete Wi-Fi coverage within its Fifth Ring Road before the end of this year, the Beijing News reports.
《新京报》消息，今年年底前，WIFI无线网络将在北京五环以内实现全覆盖。
Beijing will complete Wi-Fi coverage within its Fifth Ring Road before the end of this year, the Beijing News reports.
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