From a distance, these building blocks look very similar, so every piece of DNA you look at has the same overall shape—the famous Watson-Crick Double Helix.
从远处看，这些基本成分看上去极为相似，因此DNA的每一部分的基本形状都是相同的 —著名的沃森克里克双螺旋结构。
Stopping distance is the main thing to look out for when there's water lying on the road - it could more than double compared to a dry road.
当路面有水时制动距离是主要需要考虑的问题——在有水的路面上比干燥路面的刹车距离多一倍还不止。
It compares the pilot distance protection with power line carrier (PLC) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.
比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。
A double lines distance relay based on the zero sequence components is presented.
提出了适用于平行双回线路的零序距离继电器新判据。
All the apartments enjoy morning light in the kitchen and double exposures, thanks to the optimization of the distance between it and the existing buildings facing it.
所有公寓的厨房都可以享受早晨的阳光和双面采光，这是得益于其优化了公寓与现存建筑之间的距离。
This paper analyses the rule of variations measuring impedance of distance relay when phase to phase fault occurs between two lines on double circuit line on the same pole (DLSP).
从理论上分析了同杆并架双回线跨线不接地故障时距离继电器测量阻抗的变化规律。
The effect of the distance between holes is taken into consideration, strength of multiple double lapped joints of T300/KH304 CFRP is analyzed by three dimensional finite element model.
针对T300/KH304复合材料层合板的单排多钉双剪联接接头，考虑到孔间距离对接头强度的影响，用三维有限元模型对接头的静强度进行数值分析。
The change of two dimensional micro distance is measured by using a position sensor and the two dimensional amplification of double optical lever.
利用光电位置传感器和二维双光杠杆放大，能够测量出二维微小距离的变化。
According to this kind of thought, appeared a technique of distance detected by double vision estimation.
基于这种思想，出现了由双目图像判断移动物体的距离的技术。
Based on Lau effect in double grating, the focal distance of lens is measured.
根据计量光栅的特点，可以利用双光栅效应测量透镜焦距。
The azimuth can be determined by fixing two GPS in a certain distance along the longitudinal vector and making a carrier phase double difference between them.
如果沿载体纵向相距一定距离放置两个GPS天线，则在载体上两个天线载波相位之间求差可确定载体的方位。
The theory and composing of ARBS based on the double model tracker were introduced. The key parameters of operating distance and angle speed precision were analysed.
介绍了双模跟踪的ARBS原理及系统组成，分析了其关键技术参数：作用距离、角速率精度。
The influence of staggered distance on the failure of floor strata in double-longwall mining on the confined aquifer is local and temporary.
承压水体上对拉面开采的错距对底板岩层破坏的影响只是局部的和暂时性的。
In general, as the distance between double line tunnel and existing tunnel is very small, excavating blast in double line tunnel will affect structure safety of existing tunnel.
复线隧道与既有隧道的净间距一般都较小，因此，施工爆破对既有隧道会有较大的影响。
This study was to investigate whether the adolescent myopia can be controlled after they wear double-focus spectacles of near-distance reading addition.
配戴近距离阅读附加双焦点眼镜的近视青少年近视增长速度明显低于配戴单焦点普通近视眼镜的近视青少年患者。
And the double arrays are suggested to be adopted in order to decrease the moving distance of source and improve the accuracy of sound field reconstruction.
并且为了减小声源运动距离和获得较高的重建精度建议采用双阵列测量。
Play the animation, and double check that you now have a nice animation of a camera following the camera target at a constant distance.
播放动画，仔细检查动画，确保摄像机与目标点保持固定的距离。
With 300 cards you can use any double audio-frequency phone to make a local call, a long-distance call or an international call in most of the native cities.
你可以用300卡在全国大部分城市通过任意一部双音频话机，拨打本地、国内和国际电话。
Double fixed distance laser heads, two -way moveable double laser heads, Automatic feeder, Infra-red positioning system, Push-Pull changing work table.
加装普通固定面积双激光头，互移双激光头，上料架，红外定位装置，左右推拉式工作平台。
The selection of center distance and gear ratio distribution for a reducer with double-circular-arc gear will have a direct effect on its size, weight and loading capacity.
双圆弧齿轮减速器中心距和传动比分配的确定，直接影响减速器承载能力、重量和体积。
The view of teachers and students on Modern Long—distance teaching remains not only the basic content of double—principal part but also its own…
现代远程教育的师生观仍然具有双主体论的基本内涵，又有其自身的特殊性。
Availability, dependability and system availability of the double-passage air-to-air middle-far-distance missile weapon system are analyzed. And the efficiency count formulas are given.
分析并给出了双通道空空中远程导弹武器系统的可用性、可信性、系统能力和效能计算公式。
The proper distance between adjacent tunnels is an important question in the design of double-line tunnels especially in multiple-line tunnels.
设计双线或多线隧道时，其相邻隧边合理中心距的研究是个相当重要的课题。
The double-umbrella insulator has the advantages of improving the pollution-resistance performance of the insulator and increasing the creepage distance.
这种双伞绝缘子的优点是改善绝缘子的耐污秽性能，增加爬电距离。
Researching the relative displacement between the double-T plates and the longitudinal beam and the longitudinal maximum distance to set a frame as the first measure to resist the earthquake.
探讨双T板与纵梁的相对位移及作为第一道抗震防线框架沿纵向的最大间距；
Researching the relative displacement between the double-T plates and the longitudinal beam and the longitudinal maximum distance to set a frame as the first measure to resist the earthquake.
探讨双T板与纵梁的相对位移及作为第一道抗震防线框架沿纵向的最大间距；
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