象限

With lateral fluoroscopic guidance and the aid of preoperative planning, polyaxial screws with a diameter of 3.5 mm and a length of 26 mm were inserted in a trajectory of 10° medially in C1, and 20° medially and superiorly toward the superior-medial quadrant of the C2 lateral mass in C2. Then the 2 screws were fixed with rods.

在侧位透视导向和术前手术方案的帮助下，直径3.5mm、长26mm的多轴螺钉在C1向内偏10°，在C2侧块的内上象限向内、向上偏20°拧入钉道，再用2颗螺钉固定棒。

The experiment results indicate that if one or two quadrants are irradiated by laser, the meterage error of faula centroid is reduced.

实验结果表明激光辐照四象限光电探测器中的一个或几个，可造成光电探测器对光斑质心测量的误差。

In view of the uncertain load disturbances and parameter variations and so on, the disturbance restraint performance of the six-phase synchronism motor control system for the ship electric propulsion is improved under the robust control theory.

在船舶的空间运动模型和螺旋桨四象限模型的基础上，综合考虑船舶和螺旋桨地相互作用，建立了船桨一体化的运动模型，并结合六相同步电功机控制系统仿真研究船舶电力推进六相同步电动机控制系统典型工况下的运行性能。

Objective To study the retinal nerve fiber layer thickness of normal eye and the correlation with age.

目的 探讨正常人的视网膜神经纤维层厚度(retinal nerve fiber layer thickness，RNFLT)及其象限比值与年龄的关系。

For example, the Engines object accepts a direction and distance to travel, and then asks the Quadrant object to move it.

例如，发动机对象接受的方向和距离的旅行，然后要求象限对象，将其移动。

The tumors diameter varied 2~12 cm, the upper outer quadrant was the most commonly involved site. All tumors were high uniformity density, no calcifications, their shape including oval and-Shaped, and surface depressed in 2 enormous mass.

肿块直径2~12 cm，外上象限多见，形态分别为椭圆形、分叶形，边界均较清晰，巨大肿块2例表面凹陷；9例均呈实质性均匀密度，无钙化；5例边界有透明晕环绕，腋窝均未见肿大淋巴结。

At fifteen-meter intervals they pace off precise quadrants, collecting surface artifacts and environmental data.

每隔15米他们用步子测出准确的象限，收集地面的物品和环境数据。

In their study, the researchers connected the battery pack and ultracapacitor bank in parallel to the DC link with bi-directional two quadrant buck-boost converters.

在他们的研究中，研究人员连接电池和超级电容器银行在平行直流环节双向两个象限降压升压转换器。

Perseid or non-Perseid. This method is applicable for major shower maxima like the Quadrantids, Perseids, and Geminids.

这个方法可以适用于大流星群，例如象限仪座流星雨，英仙座流星和双子座流星雨。

"The earliest instrument for determining latitude was the quadrant, which measured the altitude of the polestar or the noonday sun."

早期测定纬度的仪器是象限仪，测量北极星或正午太阳的高度。孔隙内水的矿化度或许是决定电阻率的最主要因素。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。