本文用多元分析法，对46个小麦亲本材料的6个数量性状进行了遗传距离的测定。
The genetic distance for 46 wheat parent materials with 6 quantitative characters is determined by using multivariate analysis.
不过，对测定目标物距离来说，声波运行的速度太慢，因此，声波回声测距法在实用中有其局限性。
Thus this soundwave echo method has its limitation in practical use.
整个场地中挂在的RFID读取机可以测定与特定标签的角度和距离，并将每个表演者对应定位到舞台的某个虚拟网格空间中。
RFID readers mounted throughout the venue can determine the angle and distance from a specific tag and map individual performers to a virtual grid of spaces on the stage.
氨基酸替代数的估计是测定蛋白质分子间进化距离的基本统计方法，是研究蛋白质分子进化的基础。
Estimating of substitution number of amino acids is basic statistic methods of measuring evolution distance between proteins, which is the base of researching molecular evolution of protein.
ADC值的增加提示氦原子在测定过程中扩散到了更远的距离。
An increased ADC value indicates that the helium atoms were able to travel farther during the measurement time.
能够测定目标的高度方位和距离的雷达。
Radar that will report altitude as well as azimuth and distance of a target.
介绍了一种简便的近距离测定噪声的方法。
The article also introduces a simple noise measuring method at near distance.
这名球员可以从球的一边测定距离。
氦- 3弥散磁共振成像通过检测氦原子移动的距离测定肺脏损伤。
Helium-3 diffusion MRI identifies this damage by measuring the increased distance the helium atoms move.
在测定引信解除保险距离的感度用数理统计试验方法中，兰利法由于理论上可使用较少的试验样本量而应用日渐广泛。
In mathematically statistical test methods that were used to get arming distance of fuze, Langlie method was applied more and more wider because it only USES a few samples.
对15个栽培稻和17个普通野生稻的19个性状进行了遗传距离测定及聚类分析。
Genetic distances estimation and clustering analysis were made on the base of 19 characteristics of 15 rice cultivars and 17 wild rice varieties.
声纳：利用声学方法侦测或测定水下物体的距离和方向的技术。
Sonar :Technique for detecting and determining the distance and direction of underwater objects by tracking acoustic echoes.
方法：采用干性颅骨18具，福尔马林固定的头颅标本12具分别进行骨窗及乳突孔的定位测量和桥小脑角结构距骨窗的距离测定。
Methods: The location of bony "window" and mastoid foramen were studied , and the distance from bony "window" to cerebellopontine angle was measured on 18 dry and 12 wet cranial bones.
用小角度X射线衍射方法测定了层状液晶各种组分变化的层间距离；
The interlayer space of lamellar liquid crystal was deter-mined by small angle X-ray diffraction.
本文运用多元分析法测定了向日葵与产量有关的数量性状的遗传距离。
The genetic divergence of the quantitative characters of sunflower related to the yield was studied by using polybasic analysis.
目的建立以焦点胶片距离的改变，取得X线阶段曝光的屏片体系感光测定方法。
Purpose To establish a screen film system sensitometric method of X ray scale exposure by changing the distance between focus and film.
随着红外望远镜技术的提升，科学家最终总能测定红移量大于7的GRB爆发的距离，如果它们存在的话——这是一个重大假设。
As infrared telescopes improve, scientists should eventually be able to measure the distance to GRBs with red shifts greater than 7 - if they exist.
将高速滑体制成相似的机翼模型，进行风洞试验，即可测定滑坡凌空飞行的空气动力学参数，从而计算大型高速滑坡凌空飞行的空气动力升力、飞行速度和飞行距离等。
If we make a wing model which is similar to sliding mass, we can determine aerodynamic parameters by the wind tunnel testing and thus calculate the lift.
双重星系或天体系统，用动力学方法测定其质量时，观测到的视向速度和距离间距，都是各自值的投影值，可用统计方法，求出一个关于它们的平均投影因子。
Both of the observed radial velocity and separation being projective values, in order to determine the mass of binary galaxies the average projection factor may be derived by a statistical method.
该方法是以视距尺的定长作基线，利用经纬仪测定基线两端点的竖直角，求出立尺点至测站点间的距离。
This method apply the length of the stadia as base line, survey the vertical angular of the two ends of the base ling by theodolite and get the distance between the station and stadia.
讨论一次引爆FAE燃料配方，实验测定了空气冲击波超压和冲量随距离的变化曲线。
Single igniting solid fuel air explosives (FAE) is discussed in the paper. The curves of change of overpressure and specific impulse with distance are got by experiment.
当通过望远镜或SOHO和Stereo卫星去看时，没有人能说出其距离地球或太阳多远，因此这些卫星的大小也就不能被准确测定。
When seen by telescope, or by the SOHO and Stereo satellites, one cannot tell the distance from Earth or the Sun, and thus the size of these moons cannot be correctly gauged.
这为快速测定距离、面的倾斜和反射率等提供了一条新的途径。
This offers a new approach to measure distance, the inclined surface and reflection index rapidly.
现场试验包括：①测定振冲器水平振动力作用下产生的地面加速度以及制桩时引起的地面加速度与距振点距离之间的关系；
The in-situ measurement includes:( 1 ) the ground acceleration due to horizontal vibrating force caused by the vibroflot and its variation with the distance from the vibrating center;
很小距离范围内的土壤会有很大变化，所以必须作出全面的土壤测定。
Soil conditions can vary over a short distance of land, thus requiring a thorough survey of the area.
在由三根陶瓷滤管组成的实验装置上，利用热线风速仪对脉冲反吹时滤管外瞬态流场进行了测定，分析了喷吹压力、脉冲宽度、过滤气速和喷吹距离对滤管外流场的影响。
On a new experimental set-up of filter with three ceramic filter elements, the transient velocity outside the filter element is measured by hot-wire anemometer during pulse-jet cleaning process.
在由三根陶瓷滤管组成的实验装置上，利用热线风速仪对脉冲反吹时滤管外瞬态流场进行了测定，分析了喷吹压力、脉冲宽度、过滤气速和喷吹距离对滤管外流场的影响。
On a new experimental set-up of filter with three ceramic filter elements, the transient velocity outside the filter element is measured by hot-wire anemometer during pulse-jet cleaning process.
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