按钉

Forty little round holes, leaving the circle clockwise and anticlockwise, as if spiky "mines" had indeed rolled out of it.

大圈的周围有40个小圆洞按顺时针或逆时针的方向散播开去，仿佛是那满身长钉的"地雷"离开大圈时留下的痕迹。

Thirty cadaveric femurs were randomly allocated into five groups, each with 6 femurs. An osteotomy was made (Pauwels angle 70°) in the middle of the femoral neck. Then each group was fixed using one of these methods:①Dynamic Hip Screw ;②Three 4mm Steinn Pins that placed in accordance with the compressive trabeculae and clingy to the femoral calcar ;③One compressive screw;④Low angle fixation of external fixator;⑤High angle fixation of external fixator.

3取经防腐处理的人尸体股骨30具，随机分成5组，每组6具，在股骨颈中部按Pauwels角70度锯断，每组分别以以下方法固定：①动力髋螺钉固定；②三枚4mm斯氏针按本文第一、第二部分分析出的股骨的主应力方向（按压力骨小梁方向紧贴股骨距低角度倒三角形钻入）固定；③一枚加压螺纹钉固定；④自行设计的外固定支架低角度倒三角形固定；⑤外固定支架按大角度固定。

Bend aluminum strips to size and shape indicated on drawing. Push a pin through the centre of the folded end as indicated on drawing.

把铝片弯曲成下图形状，并用按钉在图示的折起部分的中心穿个洞。

Results:Verrucous carcinoma was classified into three groups for clinical characteristics, ectogenesis group,kystis group and infiltrating group. The carcinoma epithelium cell grew exsertum like dilatate nail. Nest of squamous cell carcinoma could be found at the former of the cancer infiltration.

结果：口腔疣状癌按临床特征可分为外生型、囊肿型、浸润型，组织学上有膨大的上皮钉突呈"推进式"生长，部分病例浸润前缘有小团鳞状细胞癌灶。

This man was handed over to you by God's set purpose and foreknowledge; and you, with the help of wicked men, put him to death by nailing him to the cross.

他既按着神的定旨先见，被交与人，你们就藉着无法之人的手，把他钉在十字架上杀了。

He kept his word; twice a day he cast out, through the barred aperture , the provisions his jailer brought him--at first gayly, then with deliberation, and at last with regret

他按设想要做的那样去做了，把狱卒每天给他送来的两次食物从钉着栅栏的窗洞里倒出去，最初很高兴，后来就有点犹豫，最后则很悔恨。

WHAT IS A SALESMAN?A salesman is a pin on a map to the sales manager, a quota to the factory, an overloaded expenses account to the auditor, a book-keeping item called cost to the treasurer, a smile and a wise crack to the receptionist and a purveyor of flattery to the buyer.

销售员就是个按钉儿，随便销售经理按在地图的哪个位置上，他就是工厂的生产定额，会计帐本上永远支出超标的户头，出纳手上的一个项目、叫做&成本&，他是前台小姐脸上的欢笑、是讨好客户的专职人员。

CONSTITUTION: The button-sewing machine comprises: a fixing means for fixing a button and an article being sewn; a moving means for moving the fixing means to stitch 缝制 the button to the article being sewn with seams of a specified sewing pattern; a fixed blade; a moving blade for drawing a thread and then moving to cut the thread by the cooperation with the fixed blade; and a button, wherein the machine has a control means for controlling a fabric transferring means to move the button to a preset position before cutting the thread.

原理：钉扣机包括，一个固定部件，用来固定按钮和一个缝纫零件；一个移动零件，用来移动固定部件来把纽扣缝制在部件上，绘上一个特别的缝纫图案；一个固定刀片；一个移动刀片用拖出线，然后通过与固定刀片的联合切断线；最后一个按纽，就是机器的一个控制部件，用来控制一个纤维转变方法用来移动按纽，在切线之前，提前找好位置。

Use thumb tacks to pin these two brackets to the wood block. Make sure the magnet will fit easily between the brackets and connect the two battery wires as shown (make sure the plastic is removed from each end of the battery wires).

用按钉将这二个作好的铝片固定在木块上，确认环型磁铁在铝片中间的合适位置，之后再将从电池过来的2跟导线与铝片相连。

At present, we can manufacture special standard product of British system,US standard,Japan standard,Gbif they are classified by the international standard and so on; we can manufacture stainless steel,copper,aluminum,carbon steel if they are classified by the material;we can manufacture the product which the diameter is Φ1.00-12.7mm,and the length is 2.5-150mm if they are classified by the dimension,the shape inside and outside,we can manufacture the standoff,the hexagonal head screw with washer,the step screw,the triangular screw, the snap SEM screw,the non-standardmuttern,the toy shft,the iron nail,the steel nail,the hexagon,wrenches,the rear hole rivet,the rivet,the floral nail etc.

目前，按国别标准分，能专业生产英制、美制、日标、国标等标准件；按材料分能生产出不锈钢、铜、铝、碳钢等类别；按大小分，能生产直径Φ1.00-12.7mm，长度2.5-150mm的产品；按形状分，能生产内外六角螺丝、六角头带垫螺丝、台阶螺丝，三角牙螺丝、子母钉钉组合螺丝、非标螺丝、玩具车轴、钢钉、铁钉、钢钉、六角板手、尾孔铆钉、拉钉、花钉等。

Compared the voltage negative feedback wire-feeding speed regulation system supported by current positive feedback with the rotational speed negative feedback regulation system, the equivalent condition of the two systems is obtained. Then, a wire-feeding speed regulation circuit for the CO_2 welding machine is designed based on TL494 chip, which has the self-protective function under the condition of current overloading.

通过对电压负反馈配合电流正反馈的送丝调速系统与转速负反馈调速系统的比较，得出了这两种调速系统的等效条件，并采用电压负反馈配合电流正反馈技术，设计了一种以TL494为核心的具有过电流截止保护功能的CO_2焊机送丝调速电路。

Make a model to help you determine the optimal number of tollbooths to deploy in a barrier-toll plaza.

建立一个模型来确定在一个容易造成阻塞的收费区中应该设置的收费亭的最优数量。