查询词典 direction-finding

The dult stem cells abilities of differentiation, self-renewing and self-maintenance tended to be limited so that it, which is characterized of short life time, could differentiate by means of mono-direction or double direction. What is the most important is that it can not differentiate all cells from the three embryonic layer.

成体干细胞具有一定的生长期，其分化能力、自我更新、自我维持能力具有局限性，生存时间相对较短，仅能单向或双向分化，其重要特点之一是它不能分化成机体所有的三个胚层来源的细胞。

The stationary ring of the device is fixed on the cover of the pump, the rotating ring and the pump shaft are in the endwise slip connection. The elastic cell acts on the direction for the rotating ring to press the stationary ring, while the pump shaft outside the pump cover is hinged with the flying iron, of which the force transferring end acts in the direction for the rotating ring to deviate from the stationary ring.

本装置的静止环固定在泵盖上，旋转环与泵轴在轴向滑动连接，所配置的弹性元件作用于旋转环的压向静止环方向，泵盖外的泵轴铰接飞铁，飞铁传力端作用于旋转环的脱离静止环方向。

Using two-flank-staining method, inspect the tooth flanks of the driven bevel gear, 3 to 4 equispaced spots along the circumference, at each spot apply color to 2 to 3 teeth, the correct meshing print requirements are: print width in the direction of face width not less than 50% to 60% of the facewidth , and that in the direction of tooth depth not less than 40% to 50% of the tooth depth.

用两面着色法，在从动锥齿轮的齿面检查，沿圆周均布3-4处，每处2-3齿涂色，正确啮合印迹要求为：在齿宽方向的印痕宽度不小于齿宽的50%---60%，在齿高方向的印痕宽度不小于齿高的40%---50%。

Following the rising and dropping of sea level, river erosional base have been changed severely, while there are some erosional or siltational processes happened in vertical direction at river mouth and in its low reach, there are also with large scale migration in plain direction.

随海面升降变化，河流侵蚀基准面发生重大变化，河流河口与下游段在发生侵蚀—淤积垂向变化的过程中，平面上亦表现为大范围的迁移。

When placing the semiconductor carrying current in the magnetic field axial to the current direction, the semiconductor will generate transverse galvanomagnetic phenomenon, namely generate electromotive force in the direction axial to the magnetic field and current, which is Hall Effect.

把载有电流的半导体放在垂直于电流方向的磁场中时，半导体会产生横向磁场电现象，即：在垂直于磁场和电流的方向产生电动势，这就是霍尔效应。

Because of its light weight, small moment of inertia and small damping, the speed, angle of attack and direction of MAV in hedgehop will change suddenly when the gust including its magnitude and direction changes randomly. This movement will affect the stability of MAV.

突风环境是微型飞行器超低空飞行时无法回避的，因其重量轻、转动惯量小、气动阻尼小，风力和风向随机变化的突风将引起其飞行速度、迎角和方向的突然变化，使其不能稳定工作。

Test specimens in the nodal zone and the internodal zone are made from both carbonized bamboo and normal bamboo. Experiments are arranged in groups according to the three different cutting directions: 90-0,0-90,90-90(in each direction, experiments are further developed in two different grain directions: tangential and radial direction).

选用炭化和本色两种竹材并分别制作了专门的竹节部和节间材试件，对竹材的纵向、横向及端向(每个方向又分为径向和弦向两个不同切削方向)等三个主要切削方向的切削过程分组加以研究。

Soil organic matter is isotropous in north-south and northeast-southwest direction with stronger spatial correlation, and is anisotropic in the southeast-northwest and east-west direction with larger spatial variability.

结果表明，以土壤有机质和农用地类型为协因子的球状模型Cokriging总体插值精度最高，试验区内土壤有机质分布格局是四周丘陵和水库区含量较低，巴江河两岸的平原地区、西南角的山前冲积平原含量较高，这也是灌溉水田密集的区域；试验区内土壤有机质含量菜地分布比较均匀、空间相关性很强，而水浇地分布差异较大、空间变异性较高；土壤有机质分布在南北、东北-西南两个方向相关性较强具有各向同性特征，在东南-西北、东西方向具有各向异性特征，受到随机因素的影响变异性较大。

Reform process as follows:(1)The reformation of machine part, include to enter lengthways to the reformation of the direction with horizontal enter to direction of reformation.

改造过程如下：（1）机械部分的改造，包括纵向进给方向的改造和横向交通运输论文进给方向的改造。

Reform process as follows:(1)The reformation of machine part, include to enter lengthways to the reformation of the direction with horizontal enter to direction of reformation.

改造过程如下：（1）机械部分的改造，包括纵向进给方向的改造和横向进给方向的改造。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。