直线的

Implementation of beamlet transform has been studied in this paper and it is applied in line detection in the images polluted seriously by the noise.

在直线检测中，传统的Radon变换和Hough变换是常用的方法，但这两种变换适用于形状比较规则的图像，而且图像中的直线特征比较明显，才有可能检测出来。

Results In lead poisoning group, the pathological changes in genital glands of mice were obtained; sperm count, linear movement sperm and live sperm rate decreased; the elevated motionless sperm, cacospermia and primary spermatocyte chromosome aberration rate were found. In Haierfu group, the pathological changes in genital glands of mice ameliated to different degree, sperm count, linear movement sperm and live sperm rate elevated, and motionless sperm, cacospermia and primary spermatocyte chromosome aberration rate decreased.

结果 醋酸铅染毒组雄性小鼠的生殖腺有不同程度的病理学改变，精子计数、直线运动精子数、活精子率下降，而静止不动精子数、精子畸形率和初级精母细胞染色体畸变率升高；海尔福治疗组小鼠的生殖腺病理学改变有不同程度的改善，精子计数、直线运动精子数、活精子率有所升高，而静止不动精子数、精子畸形率和初级精母细胞染色体畸变率有所降低。

Because the characters of workpiece are mainly linear and circinal, Hough transform is adopted to gain the line and circle of workpiece in edge space which is detected by Canny edge detector.

针对工件的主要特征是直线和圆形的特点，在利用Canny边缘检测算子进行了边缘检测以提取工件的边缘特征之后，根据Hough变换原理在边缘空间中实现了工件的直线及圆特征的提取。

The invention relates to a damping device (1) for mobile furniture parts, comprising a linear damper having a cylinder (8) and a piston, displaceable in the cylinder (8), and a piston rod (9) connected to the piston.

本发明涉及一种用于活动的家具部件的缓冲装置(1)，包括一个直线缓冲器，该直线缓冲器具有一个缸体(8)和一个在缸体(8)内可运动的活塞以及一个与活塞耦合的活塞杆(9)。

Experimental results show that this sort of electrostriction appliance can perform well as regards driving force and beeline displacement, and furthermore, its self-weight is smaller.

研究表明，这种电致伸缩器能获得较好的驱动力和较大的直线位移且自重较小，是一种具有较高应用价值的直线驱动器，尤其适用于生物器件的驱动。

Asar esult of the development of the photon-cathode microwave electron gun and thep rogress of linear accelerator technologies, of linear accelerator driven coherent harmonic generation FELs have been proposed.

由于光阴极微波电子枪的发展和直线加速器技术的进步，目前，已开始有直线加速器驱动的高增益相干谐波自由电子激光的建议。

At sea, septentrional, by night the polestar, located at the point of intersection of the right line from beta to alpha in Ursa Maior produced and divided externally at omega and the hypotenuse of the rightangled triangle formed by the line alpha omega so produced and the line alpha delta of Ursa Maior.

609海上，朝着北方，夜间以北极星为标志。将大熊星座的&贝塔——阿尔法&这一直线延长至星座外的&奥墨伽&，北极星便位于&阿尔法——奥墨伽&这道外部区分线与大熊星座内的&阿尔法——德尔塔&这一直线所形成的直角三角形斜边的交点上。

By rotating the X-axis of the measurement coordinates, the straightness data of each generatrix are transformed into a unified 3D coordinate system whose Z-axis superposes the least square mean axis calculated with the data of the multiple generatrices. The computer simulations and experiments prove that the construction by rotating the abscissas can effectively eliminate the distortion of the constructed profile.

通过测量坐标系中X轴的旋转，将各条母线直线度偏差数据统一到同一个空间坐标系中，采用两端面圆的最小二乘轴心的连线作为零件轴线，消除了直接构造所带来的表面变形，并能进一步计算出被测内孔的直径、圆度和轴线直线度误差，使测量系统集成化和多功能化。

Furthermore, through the linearization model, the control laws of the aped tracking and feedback is designed and so the observer is designed and it can improve the velocity and accuracy of the speed-tracking under the condition which guaranteed the stability of the whole closed loop system.

本文正是为解决此类非线性限制问题而进行了深入的理论研究，在综合分析三相交流直线永磁同步伺服电动机非线性动态数学模型的基础上，采用反馈线性化控制理论，建立了三相交流直线永磁同步电动机速度跟踪闭环系统动态的输入—输出模型，进而通过该线性化模型设计反馈控制律、速度跟踪控制律和负载阻力扰动观测器，在保证整个闭环系统稳定的前提下，提高伺服跟踪的快速性和精确性。

Furthermore, through the linearization model, the control laws of the aped tracking and feedback is designed and so theobserver is designed and it can improve the velocity and accuracy of the speed-tracking under the condition which guaranteed the stability of the whole closed loop system.

本文正是为解决此类非线性限制问题而进行了深入的理论研究，在综合分析三相交流直线永磁同步伺服电动机非线性动态数学模型的基础上，采用反馈线性化控制理论，建立了三相交流直线永磁同步电动机速度跟踪闭环系统动态的输入—输出模型，进而通过该线性化模型设计反馈控制律、速度跟踪控制律和负载阻力扰动观测器，在保证整个闭环系统稳定的前提下，提高伺服跟踪的快速性和精确性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。