线

The machine adopts computerised control system,could complete functions of auto needle position,auto thread cutting,and auto pressor foot lift.

该产品采用微机控制系统，能实现自动停针、自动剪线、自动拨线和自动抬压脚功能。

Auto recognition of the graphic outline is a necessary basic function for the new CAD design system.

图形轮廓线的自动别是新一代CAD设计系统必不可少的基本功能，通过对图形轮廓线自动识别技术的探讨，得出一种识别算法的图形轮廓自动识别的主要步骤。

Enterprises to adopt advanced production equipment and testing equipment, has automatic variable cross-section mill CNC, automatic volume headphones, automatic CNC Control Step-by-step heat treatment furnace, hardening machine, stress shot peening machines, automatic assembly line, electrostatic spray lines, etc.; with professional Physicochemical room and laboratory, equipped with polishing machine, vertical metallographic microscope, spectrophotometer,¨furnace, carbon and sulfur analyzer United, fatigue tester, stiffness tester, high-arc machine Rockwell Hardness Tester and a full range of advanced testing equipment.

企业采用先进的生产设备和检测设备，有全自动数控变截面轧机、全自动卷耳机、全自动数控步进式热处理控制炉、淬火机、应力喷丸机、全自动组装线、静电喷漆线等；设有专业的理化室和试验室，配备抛光机、立式金相显微镜、分光光度计、定碳炉、碳硫联合分析仪、疲劳试验机、刚度试验机、弧高分选机和洛氏硬度计等先进齐全的检测设备。

In spur gears the line of contact is parallel to the axis of the rotation; in helical gears, the line is diagonal across the face of the tooth.

在正齿轮联络线与自转的轴是平行的；在螺线齿轮，线横跨牙的面孔是对角的。

According to the wheel-axle production line project of Ji" nan locomotive and rolling stock plant, this dissertation put forward "Designing of wheel-axle foundation production line and management of wheel-axle information and mainly carried on following several aspect works: According to current new technique of the domestic and international wheel-axle assembling is researched, and combining present produce condition, we have designed the machining and assembling product line of axle and wheel and non axle box rolling bearing assembling product line.

根据济南机车车辆厂轮轴工艺线建设项目，本文提出了"货车轮轴基础工艺线设计及轮轴信息化管理"研究课题，并主要进行了以下几方面工作：通过对目前国内外轮轴加工组装的新技术新工艺进行研究，结合工厂轮轴生产现状，对货车轮轴生产线进行了工艺方案设计。

Based on the correlative constraints between vertices and straight lines on a planar object, we have proposed a new recursive method for computer interpretation of linedrawings under orthographically axonometric projection.

在建立了相关约束关系式的基础上，提出一种基于点与直线的相对位置关系递归解释线框图的新方法，主要针对的是正轴测投影线框图的计算机解释。

With an orthogonal experiment design , the telomerase inhibitors [azidothymidine , AZT 300 mg/ and lamivudine 150 mg/, per os , bid ,×2 weeks ] and X2irradiation [ total dose 10 Gy (2 Gy ×5) in 1 week ] were used to treat BALB/ c mice carrying breast cancer MA782 for evaluating the influence on peripheral blood cells , bone marrow nucleated cells and telomerase activity.

为了探讨端粒酶抑制剂联合X 线照射对荷瘤小鼠的骨髓抑制作用，采用正交实验设计，应用端粒酶抑制剂[AZT 300 mg/， lamivudine 150 mg/ ]联合X 线照射(2 Gy ×5次/ 1 周)处理移植性乳腺癌(MA782 )小鼠，观察其对骨髓有核细胞、外周血像及骨髓端粒酶活性的影响。

Before going to bed at the hairline from the forehead back comb the scalp at the hairline, hands the little finger connected to the other four fingers naturally separated along the top of the head backward in order, so you can make facial massage to a transparent and eliminate fatigue, promote sleep Gallbladder Meridian .

睡前从前额发际线处向后发际线处梳理头皮，双手小指相连，其余四指自然分开，沿头顶向后梳理，这样可以按摩到使面色通透、消除疲劳、促进睡眠的胆经。

After several generations you will need to backcross to one of the previous strains.

必须继续保留原线鱼种，因为经过异种杂交后往往需要原线鱼种做反交。

In the process of contour tracing, contour lines are gained by tracing in anticlockwise order and a method of backdate search which ensures the correctness of the algorithm is used for contour tracing at those pixels where other contour pixels can not be continuously traced. By analysis of the neighbouring pixels, this paper avoids judging those pixels that no need to be compared again.

提出了一种逆时针追踪轮廓线的彩色图像区域分割算法，其思想是按逆时针顺序追踪轮廓线，在追踪过程中避免了像素点的重复判断，采用回溯搜索解决奇点问题，从而保证了追踪过程的连续性和正确性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。