查询词典 half-angle

From analyzing Shannon index in five different types of habitats, we discovered transect of crab ponds with reed behind the sea wall(artificial and half-aitificial wetlands) had the highest Shannon index, The results show that this type of habitat is very important to wintering waterfowls. The artificial and half-artificial wetlands are belong to trial regions within the sea wall, Now the situation of waterfowls in Chongming Dongtan is very dangerous .

目前对崇明东滩自然保护区的现状不容乐观，堤内的人工半人工湿地被划入实验区，崇明东滩不断进行的围垦活动，各种各样的地方人为干扰活动(偷猎鸟类、捕捉鳗苗、放牧、放火烧荒等等)都严重影响水鸟的生存状况，加之保护区经费短缺，人员不足，使得崇明东滩鸟类的生存环境不断恶化，严重影响了湿地鸟类的生存和栖息地质量。

Just the horrible nothingness— half the time in the forest, half the time in the empty fern sea where the white house no longer existed.

只有无边无际的荒芜——一半的时间是身在森林，一半时间身处那白色房子不复存在只剩一片空荡荡的蕨海。

Out of its smooth side burst a monster. It was a long, black, clawed thing, half cat, half sea lion, and it came racing down the wall toward the quay.

水波较平缓的一边跃出一只怪兽，长长黑黑的，长着爪子，半是猫，半是海狮，沿着防波堤朝码头奔来。

Mounted coupling: first in the motor shaft mounted on the head ring, mounted on coupling half, and then in the shaft coupling client and loaded block chute and Plum wrench tightening bolts (lifting shaft 3 ~ 5 mm and to provide mechanical seal prestressed); and then loaded up the other half on the coupling screw Hexagon screw must be tightened.

装联轴器：先在电机轴头上装上挡圈，装上一半联轴器，再在泵轴端和联轴器槽内装上挡块并用梅花扳手拧紧螺栓（吊起泵轴3~5毫米并提供机械密封预应力）；再装上另一半联轴器拧上内六角螺钉必须拧紧。

Mounted coupling: first in the motor shaft fitted with ring head, fitted with coupling half, and then end in the shaft and the coupling block bed fitted with Plum wrench tightening bolts (lifting shaft 3 ~ 5 mm and pre-stressed mechanical seal); and then loaded onto the other half of the coupling screw Hexagon screw must be tightened.

装联轴器：先在电机轴头上装上挡圈，装上一半联轴器，再在泵轴端和联轴器槽内装上挡块并用梅花扳手拧紧螺栓（吊起泵轴3~5毫米并提供机械密封预应力）；再装上另一半联轴器拧上内六角螺钉必须拧紧。

My son 5 years old, when two-year-old on the occasional nosebleeds, small, 4-year-old when more than three months on the stream once every 10 days for half a year and a half months ago on the flow time, and also more than the original, to the hospital, said blood tests are normal, the point of medicine at the children do not love the beginning of .8 month almost 32 days on stream, but also very large, went to the hospital check, blood test or normal, open points syrup, and eat Chinese medicine granules, not a week, drug use is also a day on the 15 o'clock a sudden nose bleeding out, exhausted all the methods normally used only finally stopped, six o'clock in the morning and a stream, though not at night, and also have more than the original (the child was afraid I worry that the deal did not tell my own, I was based on the many large blood on the ground and pumping his college paper used judgments), or normal blood, the cream of the point that no matter, I was pleased, but the children come back again every day flow, and sometimes more than once or twice a day, which is a headache for two days and asked him if he do not understand how that specific pain law, is not the teacher the past two days that he said he did not love school is really a headache or a headache, I was to determine if a teacher said he does not love the child's school is a small trick.

5岁男宝宝经常流鼻血，最近两天又说头痛怎么办我的宝宝5岁了，两岁多的时候开始就偶尔流鼻血，量少，4岁多的时候开始三两个月就流一次，半年前开始隔十天半月就流一次，并且也比原来多，到医院验血说都正常，开点上的药水宝宝不爱点。8月分开始几乎三两天就流，还非常多，又去医院查，验血还是正常，开了点药水，和吃的中药颗粒，没到一周，还正用药，一天夜里3点就突然鼻子向外大量流血，用尽了平时用过的所有方法才好不容易止住了，早上六点又流了一次，虽没有夜里多，也是比原来都多(宝宝怕我着急，这次没告诉我自己处理的，我是根据地上的许多大血滴和他用过的纸抽团判断的)，血还是正常，开了点药膏，说没什么事，我挺高兴的，可是宝宝回来又是每天都流了，有时一天还不止一两次，这两天说是头痛，问他又说不明白具体怎么疼法，是不是老师这两天说他他不爱上课就说头痛还是真的头痛，我正在判断中，如果是老师说的他就不爱上课当然是宝宝的小把戏。

And then the output voltage harmonic for the single-phase three-level SPWM inverter under the half triangular and half saw-tooth carrier wave is studied. It also discusses how to select the carrier ratio N and the effects to the output wave by modulation ratio M.

着重对载波为半波、三角波、半波、锯齿波的单相三阶 SPWM逆变器的输出电压的谐波处理、载波比N的数值选择、调制比M对输出波形的影响等进行了研究。

I didn't feel like using my trim jig that I made way back, so what I devised was a sanding surface that enabled me to flat sand an entire hull half at once without eating half of the trimmed fiberglass when using a laminate trimmer.

我不觉得像在使用我的修剪跳汰机，我所作的方式，回，因此，我制订了一个砂表面使我单位的砂一整个船体一半，一旦没有吃一半的裁剪玻璃纤维时，用层压板的微调。

Rising incomes are boosting households' spending power, lifting retail sales by 13% in the first half of the year, compared with the same period of 2004. And the countryside is finally playing a part: after six years of lacklustre growth, rural incomes rose by 12.5% in the first half.

个人收入的增加正激发着家庭消费支出的能力，今年上半年零售销售额比去年同期上涨了13％，其中乡镇消费的增加起到了重要作用，在经历了连续6年不起眼的增长之后，今年上半年乡镇收入增加了将近12.5%。

Earthquakes, which are not weather-related, caused nearly half the deaths in those catastrophes; storms, floods, and other weather woes killed the other half. In 1999, the number of catastrophes worldwide hit 755, surpassing the record of 702 set only the year before.

在这些灾难中，和气候无关的地震造成了近一半人的死亡；风暴、洪灾以及其它气候性灾难夺去了另一半人的生命。1999年，全世界的灾难数目达到755起，超过前一年才创下的702起的记录。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐