查询词典 conic

Keywords : the unity of geometrical material and algebraic symbol, conic sections, latus rectum .

教师藉由数学史的帮助，除了使学生的一些认知障碍获得解决之外，也可促进自己本身的专业成长。

A new wing/body configuration of a glide hypersonic vehicle was presented, which was generated by conic lofting design method.

提出了一种新的翼身融合的滑翔式高超声速飞行器布局方案。

A group modulo n on conic curve can be formed, on which we can construct cryptogram similar to RSA.

同时，还可以建立模n的圆锥曲线群，构造等价于大整数分解的密码。

The second design are two short and thick sleeve monopole antennas, including a conic and a cylindrical conductor.

第二种设计是两种短粗套筒天线，包括一个锥形套筒和一个柱形套筒。

Style filiform; stigma capitate. Fruiting hypanthium obovoid-conic, 7–8 × 3–4 mm including prickles, abaxially 10-ribbed, pilose, with a multiseriate crown of prickles; prickles erect when young, connivent at maturity.

雄蕊(5-)8-15。花柱丝状柱头头状果托杯倒卵球形的圆锥形， 7-8 * 3-4 毫米包括皮刺，背面的10肋，具柔毛，具一皮刺的multiseriate树冠；幼时的皮刺直立，成熟时靠合。

Bractlets developed, herbaceous or succulent, navicular or similar to leaves, surrounding perianth (in Sympegma bractlets absent, but flowers fascicled at apex of branchlets); stigmas papillose only adaxially; embryo conic-spiral rarely planospiral

小苞片发展， herbacfous或肉质的，具小乳突的柱头只正面；很少的胚圆锥形螺旋形平面螺旋状 4

Tall European tree having a slender conic crown, flat needlelike leaves, and hairy cone scales.

欧洲一种长有细长圆锥树冠的高大松树，扁平的针形叶，被毛球果。

The relation between the nondegeneracy of their primal-dual optimal solutions and their strictly complementary optimal solutions is characterized, and then the conditions in which the solutions of a pair of primal and dual conic programmings are unique respectively are obtained.

从几何的观点描述一对原始-对偶锥规划可行域的极点，给出原始-对偶非退化的最优解与严格互补的最优解之间的关系，从而得到锥规划最优解唯一的条件。

Regressive method of orthogonal conic substitution with 5 factors had applied to study the effect of different planting density and different application rate of N, P2O5, K2O and organic manure on the grain yield and economic benefit of spring corn, and the simulation model of yield formation of spring corn in the medium fertility field was set up.

2005年在长沙采用5因素2次正交旋转回归设计方法，研究了不同密度和氮肥、磷肥、钾肥、有机肥不同施用量对春玉米产量与经济效益的影响。

With differential geometry knowledge, the local characters of the blade surface are analyzed. Based on researching the cylindrical cutters osculating location, the methods to calculate the osculating location of the conic cutter and the torus cutter are discussed. A method of tool path planning based on the second order osculating method is preferred.

利用微分几何学知识，分析了螺旋桨桨叶曲面的局部特征，在研究圆柱刀二阶密切法规划刀位的基础上，探讨了圆锥刀和圆环刀的二阶密切刀位计算方法，采用二阶密切法规划刀位可以显著地提高加工精度。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。