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.
起飞时环翼机像火箭一样笔直上升，降落前一直处于巡航模式。
During takeoff, the coleopter would rise straight up like a rocket before alighting itself for cruise mode.
起飞前会对乘客就弹出过程做简短的介绍，并警告他们在飞行过程中除非飞行员大喊“弹出，弹出，弹出”，否则不准触碰他们两腿之间的那个“环”。
Passengers would have been briefed on the ejection sequence and warned that the "loop" between his legs was not to be touched unless the pilot called "Eject, eject, eject" during the flight.
400年前，伽利略首先发现了土星环。
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.
很少的韩国人知道三个一组的前外一周半跳和三个后内结环一周跳的差别。
Few South Koreans know the difference between a triple axel and a triple salchow.
公元前一世纪：益智环首先出现在亚洲，苏丹们和酋长们用它来标识他们的每个妻子。
1st Century BC: Puzzle rings first appear in Asia, where sultans and sheiks use them to tag each of their wives.
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.
10月份，私人住宅建设支出环比下降1.9%，比一年前下降了9.4%。
In October alone private residential-construction spending fell by 1.9%; it was 9.4% lower than a year before.
指出环路的抑制性能是由前馈环的延迟失配、幅度失配和相位失配共同决定。
The result proved that the cancellation performance of cancellation loop is decided by the amplitude imbalance, phase imbalance and delay mismatch.
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.
前盖板上的副叶片可以减少叶轮进口的旋涡损失和颗粒对密封环的磨损。
Former deputy leaves on the cover can reduce the imports of the vortex impeller and particle loss of the wear and tear on the seal ring.
从实验前、中、后的环比增长系数来看，不同阶段对不同关节产生不同的影响。
From the experiments before, during and after the chain growth factor, different stages for different joints have different impacts.
使主线在持竿者前面滚动出线。主线会形成一个环形，并要使得线环在落水前直伸开来。
Let your fly line roll out in front of you. Your line should for a loop and then straighten out before laying on the water.
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.
各种药物对血管环的作用强度用最大舒张率表示，即加药后收缩幅度与加药前收缩幅度的百分比。
The intensity of effects of all drugs on vascular ring was presented by the maximum diastolic rate, i. e. the percentage of contracted extent after and before administration.
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.
通过前处理方法和色谱分析条件的选择优化，改进了组织中四环素族药物残留的检测方法。
The determination method of Tetracycline family of drugs residue in the tissue was improved through the pretreatment and selection optimization of GC analytical conditions.
该伺服系统包括速度环和位置环以及前馈控制，因此该系统是一个复合控制系统。
The servo loops include speed control loop and position control loop plus feed-forward control, therefore the system is a compound control system.
在基于负载电流前馈解耦的正弦波逆变器多环控制策略中，负载电流前馈作用的延迟直接影响着系统的性能。
In the multiple-loop control strategy for sinusoidal inverters based on load current feedforward, delay of the feedforward directly impacts the system's performance.
前级采用电压单环调制方式，后级采用三态滞环离散脉冲调制电流滞环跟踪控制技术。
The front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.
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).
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.
其次对位置环的控制进行了改进，将位置前馈改进为速度前馈和加速度前馈，并在前向通路中增加了一个数字阶式滤波器组成复合运动控制器。
Secondly, the control of position loop was improved by using compound control with velocity and acceleration feed-forward control and digital notch filter control in feeding servo system.
塑料活塞环结构参量的设计是在缸径为已知量的前题下，分别对活塞环厚度、活塞环轴向高度、活塞环线胀量等进行设计。
The parameter design of the plastic piston ring refers to designing the piston ring thickness, piston ring axial height and piston ring linear expansion in case that the cylinder bore is known.
塑料活塞环结构参量的设计是在缸径为已知量的前题下，分别对活塞环厚度、活塞环轴向高度、活塞环线胀量等进行设计。
The parameter design of the plastic piston ring refers to designing the piston ring thickness, piston ring axial height and piston ring linear expansion in case that the cylinder bore is known.
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