距

The purpose of this study was to evaluate the teaching effectiveness of distance education in a required course for BSN students.

本研究目的为了解学生对远距教学的满意度，以评估护理课程实施远距教学的成效。

In order to overcome these deficiencies, after analyzed characters ofseveral popular functions in image Sharpness evaluation, a new image sharpness evaluation model was presented which is based on the image absolute central moment.

该模型通过引入图像中心距和高通滤波图像中心距的线性组合，在保持评价结果良好全局性的同时提高了其局部量化精度。

The first one mainly introduced engineering calculate method of load and selected the all electric implements. They are in charge of the motor four rotation states, and the sensor is in charge of testing the position of helicopter airscrew and display by computer. The second one designed the controller of the motor based on low-voltage electric implement and analyzed the all system.

第一部分，主要介绍了负载参数的工程计算，选取整个系统的电气元件，电气元件部分主要负责双速电机的正向、反向和高、低速旋转状态，测速传感器用于完成对桨距位置的检测和最终的显示任务；第二部分，设计了基于低压电器的总桨距调节控制器，并对整个系统进行详细的分析。

Given a planar point set,the moving least squaremethod is adopted to denoise and resample it so that the resulting point set is with low noise and uniform sampling density.Then the reliable signed distance field of the preprocessed point set is constructed by using the Level Set method.Finally,an algebraic B-spline function is adopted to fit the signed distance field by solving a linear equation system.

首先给定一个表示封闭曲线、可能带有噪音且分布不均匀的平面点云，采用移动最小平方(moving least square，简称MLS)方法对点云去噪、重采样，得到一个低噪音、分布均匀的"线状"点云，再通过Level Set方法建立该"线状"点云的离散几何距离场，最后用一个代数B-样条函数光顺拟合该离散距离场，代数函数的零点集即为重建曲线。

Through transformation of parameters, the meshing design system among Hy-Vo silent chain, sprocket and hob was built up based on the research of the pitch increment and the equivalent apothem increment of the effects on the common normal line length when the Hy-Vo silent chain was wrapped around and located on the sprocket, with the proper meshing conditions of Hy-Vo silent chain and sprocket into consideration. The design method of common normal line length was put forward that can be used when the value of the sprocket pressure angle was equal or unequal to the value of the Hy-Vo chain plate pressure angle.

在分析Hy-Vo齿形链链节围在链轮轮齿上定位时其节距增量和当量边心距增量对链轮公法线长度影响的基础上，根据Hy-Vo齿形链与链轮的正确啮合条件，通过参数变化，建立了Hy-Vo齿形链－链轮－滚刀三者之间的啮合设计体系，提出了既适用于链板齿形角等于链轮压力角情况，也适用于链板齿形角不等于链轮压力角情况的Hy-Vo齿形链链轮公法线长度的计算方法。

By now. Hill had redpointed all 27 pitches up to Camp VI, but perhaps the hardest section was to come — pitch 29, the horrendous 5.13 technical arete and stemming problem.

到此，Hill已经redpointed二十七个绳距到第五营，可能最难的部份－第二十九绳距来了，恐布的5.13巧妙的岩角和支撑问题。

A maneuvering mathematical model for Controllable-Pitch Propeller ships with three degrees of freedom is established according to separate modeling theory. Based on Netherlands Ship Model Basin\'s open-water tests, CPP thrust coefficients and torque coefficients in four-quadrant with different pitch ratio of screw and different types of CPP are obtained by using Akima interpolation. Therefore, CPP thrusts and torques are obtained.

基于船舶操纵性分离建模理论，采用荷兰船模试验水池B系列螺旋桨的敞水试验结果，利用Akima插值获得了不同类型的调距桨在不同螺距比下的四象限推力系数和扭矩系数，求得调距桨的推力和扭矩，建立了调距桨船舶的平面运动数学模型。

The Ying Deli hotel is located in Anking city economicdevelopment zone gold land sector resurgence main road 122 from thehotel to the water chestnut lake breeze scenic area only 5 minutes isapart from the train station 1 kilometer is apart from the airport 7kilometers is apart from the long-distance motor station 4kilometers the geographical position is superior.

英德利大酒店座落在安庆市经济技术开发区黄金地段中兴大道122号，从酒店到菱湖风景区仅5分钟，距火车站1公里，距机场7公里，距长途汽车站4公里，地理位置优越。酒店按三星标准配置，建筑采用欧式七层单体风格，外观宏伟。

Ticket limit:China, guadeloupe, China fly ticket price guadeloupe flight queryTime:1, ticket booking 21 days prior to departure from the book must be in 14 days after a ticket, 21 days starting from the book must be within 7 days after booking tickets, starting from within 7 days after the book must be within 24 hours in book tickets

机票价格，中国飞瓜德罗普岛航班查询 1、出票时限：距出发21天前预订必须在预订后14天之内出票，距出发21天内预订必须在预订后7天之内出票，距出发7天内预订必须在预订后24小时之内出票

Ticket limit:China oceanian nauru, have the ticket price, China airline fly nauru, have queryTime:1, ticket booking 21 days prior to departure from the book must be in 14 days after a ticket, 21 days starting from the book must be within 7 days after booking tickets, starting from within 7 days after the book must be within 24 hours in book tickets

机票价格，中国飞瑙鲁航班查询 1、出票时限：距出发21天前预订必须在预订后14天之内出票，距出发21天内预订必须在预订后7天之内出票，距出发7天内预订必须在预订后24小时之内出票

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。