查询词典 circle around

The article presents the developing condition of PWM and SVPWM first.Then the theory of SVPWM is discussed in detail.The SVPWM is based on the thought of magnetic chain tracking.It makes the ideal magnetic chain circle of three-phased sysmmetry electric motor supplied by three-phased sysmmetry sine wave voltage for basis,uses the practical magnetic chain vector formed by the different switch modes of three-phased inverter to track the basic magnetic chain circle.During the course of tracking,the inverter changes the switch modes properly to form the PWM waves.Then the modulation wave of SVPWM is analyzed in detail.The modulation wave of SVPWM is implicit,but the analogous modulation wave in A-B-C axis needs to be calculated in order to expose the internal relation of SVPWM and SPWM.That is to show the implicit modulation wave of SVPWM. SVPWM actually is a transformed SPWM ruly sampled by the modulation wave which is injected by the zero prefaces based on space vectors.

本文首先对脉宽调制技术的发展现状进行了综述，在此基础上分析了电压空间矢量脉宽调制技术的发展现状；接着对空间电压矢量脉宽调制技术的基本原理进行了详细的分析和推导，SVPWM是基于磁链追踪的思想，它以三相对称正弦波电压供电下三相对称电动机定子理想磁链圆为基准，由三相逆变器不同开关模式下所形成的实际磁链矢量来追踪基准磁链圆的，在追踪的过程中，逆变器的开关模式作适当的切换，从而形成PWM波；然后详细分析了电压空间矢量脉宽调制技术的调制波，虽然SVPWM法的调制波是隐含的，但是为了揭示SVPWM法与SPWM法的内在联系，需要求出SVPWM在A-B-C坐标系上的等效调制波，也就是将SVPWM的隐含调制波显化；SVPWM实质是一种基于空间矢量在三相正弦波中注入了零序分量的调制波进行规则采样的一种变形SPWM。

Nine remember past times the breath, naturally also carries on many good food, for example fragrant Q is strong yu the circle, besides original sweet potato, sweet potato taste, but also has special wipes the tea taste, Leng Rejie is suitable; The red pickled meat circle by the traditional ancient method manufacture in the stuffing, in matching the soft tender cover, the sauce material which the flavor appropriatelies, forms 绝 the wonderful taste in your mouth; In addition also has the black sugar hemp, fermented bean curd, non-lead earth preserved egg and so on, is the suitable delicacy partner hand rituals!

九份的怀旧气息，自然而然的也承袭的许多美食，例如香 Q 有劲的芋圆，除了原有的地瓜、芋头口味之外，还有特别的抹茶口味，冷热皆宜喔；红糟肉圆则以传统古法制作内馅儿，搭配上软嫩的外皮，味道恰如其分的酱料，在您口中形成绝妙的滋味；此外还有黑糖麻糬、豆腐乳、无铅土皮蛋等等，都是相当美味的伴手礼喔！

There is a good linear relation among the height of semi-circle Drawbead, the thickness reduction and the equivalent strain of the sheet, The letter two will be risen along with the height of semi-circle drawbead.

筋高与板料的减薄量和累积等效应变之间存在良好的线性关系，随着筋高的增大二者也增大；并且拉深筋的各圆角半径的增大都使减薄量和累积等效应变减小。

Sun Circle of the south-east, the distribution of large areas of the stone circle.

在&太阳圈&的东南部，分布着大面积的石圈。

Regression equal between traction resistance and partial sphere height, bottom circle radium was set up to explore the effect of two evident factors(height and bottom circle radium of the partial sphere) on traction resistance by optimum calculation.

采用二次回归试验设计的方法，建立了球冠高度和球冠底圆半径大小与牵引阻力间的回归方程，进行了优化计算，进一步考察了球冠高度和球冠底圆半径大小两个显著性因素对牵引阻力的影响规律。

SN Marketing is based on the circle of connections, the concept of six degrees of space resulting from this, that is, the circle of specific subject, such as self-expansion of the club's marketing strategy, generally in order to recommend a mechanism for members of the main form of marketing for the precision possible, actual sales and the conversion rate of preferences, such as: GOOGLEGMAIL recommend mechanisms for mail that is only distributed to other people you invite, you have the opportunity to experience the GMAIL.

SN营销是基于圈子、人脉、六度空间这样的概念而产生的，即主题明确的圈子、俱乐部等进行自我扩充的营销策略，一般以成员推荐机制为主要形式，为精准营销提供了可能，而且实际销售的转化率偏好，例如：GOOGLEGMAIL邮箱即采用推荐机制，只有别人发给你邀请，你才有机会体验

Paper products are the main blade razor blades, the paper knife, the paper single-pole/double-throw and grinding wheel, slot machines, knives, razor blades veneer Paper, Paper three blades, rotating Paper knife, cross-cutting knives, cylindrical toilet paper cutter, cut - Knife from top to bottom, leather knife from top to bottom, leather Caidao, cutting knife, cut circle engraved blade, cut the knife blade Bowl I. paper, die-cutting knife, slice lamb knife, knife slicing vegetables, ham Bo Cutter, Disc Rolling scissors, Slitting points of the knife, cutting blade, bearing knives, knife lap, multi-bladed knife circle, butterfly knives, Dan Mianwa spent knife, knife cut copper foil, aluminum foil cutter, cutting board, knives, PP cutting knives, cutting-foot blade, cutting plate machine blades, steel rolling blade, cut steel knife, Scrap broken knife, smash the plastic knives, Qieli knives, Qieli hob, alloy Qieli hob, rubber blade, at the end of Closure knife, bag of knives, even a blade Vol bags, plywood blade, carpentry Paodao, slicing machines, knives, razor blades Chongjian plane, flying scissors film, Blade, Blade coating, Bodao series, thin tungsten steel blade, tungsten steel round Blade, super-hard alloy Cai Zhidao, woven bags cutting blade, Juan Bidao films, tire cutting blade, feed blade, clipart blade, the blade three holes, Xiumei Dao films, chemical fiber blades, Qiebu knife, knife tooth, cloth-like CD Cutter, non-standard blade can be customized.

主要刀片产品有切纸刀片，分纸刀，分纸单刀及砂轮，开槽机刀，单板切纸刀片，三面切纸刀片，旋转切纸刀，横切刀，圆筒卫生纸切刀，分切上下刀，皮革上下刀，皮革裁刀，切光刀，切刻圆刀片，切管刀，碗刀片，导纸片，模切刀，羊肉切片刀，蔬菜切片刀，火腿薄切刀，圆盘滚剪刀，纵剪分条刀，切条刀片，轴承刀，光刀圈，多刃刀圈，蝶形刀，石棉瓦花刀，铜箔裁切刀，铝箔切刀，线路板裁切刀，PP裁切刀，切脚机刀片，剪板机刀片，轧钢刀片，钢筋剪断刀，废钢破碎刀，塑料粉碎刀，切粒刀，切粒滚刀，合金切粒滚刀，橡胶刀片，底封刀，制袋机刀，连卷袋刀片，胶合板刀片，木工刨刀，切片机刀，冲剪机刀片，飞剪刀片，刮刀，涂布刮刀，薄刀系列，钨钢薄刀片，钨钢圆刀片，超硬合金裁纸刀，切编织袋刀片，卷笔刀片，轮胎修剪刀片，饲料刀片，美工刀片，三孔刀片，修眉刀片，化纤刀片，切布刀，齿形刀，样布裁切刀等，非标刀片可定制。

NC-products roller bearings, roller Outer Ring Road crown ultra-precision machine; NC roller bearings inside and outside circle Raceway crown grinder; NC roller bearings inside and outside circle Ribs grinder; NC car wheels first, Second and third generation, the outer ring-channel grinder, and other equipment in the domestic series with industry leading level.

主导产品数控滚子轴承内、外圈滚道凸度超精机；数控滚子轴承内外圈滚道凸度磨床；数控滚子轴承内外圈挡边磨床；数控汽车轮毂第一、二、三代内、外圈沟道磨床等系列设备在国内同行业中处于领先水平。

Evening, everyone gathered cattle side, the Bulls circle, double angle cluster lap, as security guards to protect the circle of cows, calves overnight to prevent the beast attacks.

晚上，每个牛群聚集一方，公牛围成一圈，双角簇立，担任警卫，保护在圈内的母牛、小牛过夜，防止野兽袭击。

The Integrated oxidation ditch with vertical circle is characterized by the unique vertical circle mode of mixed liquid.

立体循环一体化氧化沟采用立体循环方式，自然形成好氧区和缺氧区，脱氮效果显著。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。