The minimal surface have been extensively employed in many areas such as architecture, material science, aviation, ship manufacture, biology and crystallogeny and so on. In this paper we have some element works on minimal surface from the point view of CAGD It is well-known that there does not exist any other quadratic minimal surface except for the plane.

以肥皂膜問(wèn)題為物理背景的極小曲面問(wèn)題或者Plateau問(wèn)題—尋找以給定空間曲線為邊界的面積極小的曲面，從18世紀(jì)提出到現(xiàn)在一直是微分幾何和偏微分方程理論的重要課題国内外色呦色呦网站，微分幾何領(lǐng)域已經(jīng)有了極其豐富的極小曲面理論国产一级在线电影在线。

Over the years there had been this person with the cake of soap , this cultist , and here he was .

這些年來(lái)在线黄色网站亚洲欧美，總有這樣的人拿著一塊肥皂，這個(gè)有潔癖的人激情开心网站国产，現(xiàn)在就在眼前影音先锋黄色网站nqdai.cn。

Over the years there had been this person with the cake of soap, this cultist, and here he was.

多少年來(lái)，總有這樣的人拿著一塊肥皂91色噜噜狠狠狠狠色综合，這個(gè)有潔癖的人国产极品粉嫩的馒头一线天，現(xiàn)在就在眼前。

Do not give him the first Cypriot soap, and only three months, as there will be dependence, has not worked.

你不要再給他塞肥皂頭了男女综合网，才三個(gè)月国产性爱永久视频，那樣會(huì)有依賴性，效果不好乱伦小说图片视频。

Not long with Kai Sai Lu, you can use soap first Cypriot PP, can also pull out immediately.

不要長(zhǎng)用開(kāi)塞露国内自拍无码在线播放，可以用肥皂頭塞PP，也能馬上拉出來(lái)一级黄片观看。

If not accidentally drops of grape juice in the Dacron cotton or cotton clothing, do not use soap wash.

如果沒(méi)有意外的葡萄汁滴在滌綸或純棉衣物在线免费观看av大全，不要用肥皂洗。

So we could simplely get rid of the virus by getting away with sick chicken and its dejecta.

我們可以這樣預(yù)防禽流感26uuu国产精品，我們應(yīng)該遠(yuǎn)離生病的禽類(lèi)，如果與它們接觸后要立即用肥皂洗手18分钟处破之轻点好痛，防止感染疾病一极一黄一区。

There was no dentifrice during the war, but I did not mind brushing my teeth with crude soap used to wash clothes.

戰(zhàn)爭(zhēng)期間沒(méi)有牙膏，用洗衣服的粗肥皂擦牙齒我也不介意欧美多人操逼。

Then, because there was no dentifrice during the war, I even did not mind to use the soap to wash my teeth.

戰(zhàn)爭(zhēng)期間沒(méi)有牙膏日批视频免费看40分钟，用洗衣服的粗肥皂擦牙齒我也不介意。

Also Enzymatic Therapy has Derma Klear Soap, contains MSM, pure Sulfur for abused Skin and a good remedy for Rashes.

還酶法治療皮膚Klear肥皂AV天堂久久天堂AV色，包含的MSM 在线播放免费黄色网站，純硫?yàn)槭芘按つw和良好的補(bǔ)救皮疹。