查询词典 cones

First, a map between the cones and tangent surface on C-Bézier curve und two-dimensional plane is found respectively and then a ruled surface between two Bezier curves is constructed and a sufficient condition on its developablity is given.

zier曲线上锥面、切线曲面的展开方法。然后，构造两条空间B？zier曲线上的直纹面，给出了它成为可展曲面的一个充分条件，并通过保角保长原则，将其贴合到平面上。

I can make out the rigging of a schooner a mile off; I can count the new cones on the spruce.

我能在一英哩外看清一艘纵帆船的桅索；我能数出云杉上的新球果。

The scoria cones surrounding the fissure are black, as is the lava flow extending to the northeast.

周围的火山渣锥是黑色的裂缝，由于是熔岩流延伸到东北部。

Young back-arc alkali basalt scoria cones occur east of the Caviahue-Copahue volcanic complex.

杨弧玄武岩火山渣锥碱发生以东Caviahue -科帕韦火山火山复杂。

Bracts of seed cones not exserted; leaf apex on vegetative branchlets 2-cleft

球果的苞片不外露；在营养小枝2半裂上的叶先端 13 Abies forrestii 川滇冷杉

Stories about the seediness of life on the university campus are as much a part of the student experience as stealing traffic cones and subsisting off baked bean dinners straight from the tin.

就像偷反光路锥、正餐只能吃从罐头中取出的硬豆一样，大学校园艰苦悲惨的生活故事，也是学生经历的一部分。

Furthermore, the oriented diamond nuclei as single crystals with facets can form on self-formed Si cones through epitaxial SiC within a short bias period of 60 s.

经由使用更短的偏压时间来作成核研究，可发现大量具方向性的单晶奈米钻石磊晶在SiC上。

Serotinous cones would prove to be almost fatal for the population if forest fires ceased for any length of time.

若森林火灾中断任意长的一个时期，那么对种群来说，迟裂球果几乎是毁灭性的。

The observed clinal variation in the frequency of serotinous cones may be described as a fairly regular decrease in all directions.

所观察到的晚熟球果的频率梯度变异可描述如下：向四周相当有规律地渐次减少。

At 2 P.M. People began to come over the hills in all directions with offerings for Tai-t-kong. In an hour nearly 200 pigs were set on tables and about a dozen cones 20 feet-high with cakes all around each one. Fowls, etc. Spirituous liquors etc. were also offered.

下午二时，人们从各个方向集结到山丘上，都带著祭品供祭给Tai-t-kong，在一个小时内，近二百头猪被放置在桌上， 1 2 支由寿桃堆成的锥栈高达2 0 英呎，布置在猪只的周围，家畜、酒类……也被拿出来供祭。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。