Utilize auxiliary plane to solve the following problem: the point of intersection of lines, equation of the straight line, equation of the plane and the distance between lines in different planes.

利用構(gòu)造輔助平面方法求：直線與直線交點(diǎn)av片在线观看无码黄片；平面方程国产一区鲁鲁在线视频免费播放；直線方程野狼av社区；異面直線間距離黄色网站欧美内射。

When the centre line of road is spiral curve,the edge lines(equidistance lines of centre line) are not spiral curves,which makes it difficult for construction location.

在各種曲線組合當(dāng)中，卵型曲線中的回旋線曲率半徑不是從無窮大開始日日操久免费视频，最為復(fù)雜一级黄片一级A片一级片。

I've stitched Euclid's parallel postulate on to the surface. And the lines look curved. But look, I can prove to you that they're straight because I can take any one of these lines, and I can fold along it. It's a straight line.

我將歐幾里德平行公設(shè)編織到表面上，這些線條看起來是彎曲的狂操老女人逼黄色一级视频，但你看久久久国产一级黄色电影，我可以向你證明它們是直線；因?yàn)槲铱梢阅闷鹑魏我粭l線国产在线91。，我可以沿線折疊黄色网站入口在线看，這是一條直線。

In his article entitled "On the manufacture of diffraction gratings and theoretical," the paper wrote,"If every inch with the same number of two engraved lines in contact with photographic copies of the state, the two grating The engraved lines are almost parallel will result in a set of parallel stripes, the direction of the two grating carved exterior angle between the line bisection, and their distance decreases with increasing inclination."

他在一篇題為"關(guān)于衍射光柵的制造和理論"的論文中寫到"如果把每英寸具有同樣數(shù)目的刻線的兩個照相復(fù)制品處于接觸狀態(tài)hs网站，使兩個光柵中的刻線幾乎平行則就會產(chǎn)生一組平行的條紋高清無碼視頻免費在線觀看黃色，其方向?qū)蓚€光柵刻線之間的外角二等分，而其距離隨著傾角的減小而增大"十八岁禁看网站。

Exterior Opposite Angle Area : According to one angle area of the triangle, if we extend the two angle lines to the opposite direction, the area formed by the extending lines which like mirror area to the original angle is called here Exterior Opposite Angle Area.

外部對角映射區(qū)：針對三角形的一個角一级黄色片区，將構(gòu)成該角的兩條相鄰線段進(jìn)行對角方向的虛線，這兩條虛線圍成的區(qū)域就是該三角形一個角的外部對角映射區(qū)国产精品免费-区二区三区。

Exterior Opposite Angle Area: According to one angle area of the triangle, if we extend the two angle lines to the opposite direction, the area formed by the extending lines which like mirror area to the original angle is called here Exterior Opposite Angle Area.

外部對角映射區(qū)：針對三角形的一個角国产一区二区欧美日韩在线观看，將構(gòu)成該角的兩條相鄰線段進(jìn)行對角方外部對角映射區(qū)向的虛線，這兩條虛線圍成的區(qū)域就是該三角形一個角的外部對角映射區(qū)一级特黄特色的免费大片观看。

Cy Twombly uses a combination of charcoal, colored pencils, chalk and oil paint in his works; sometimes he also incorporates wavy, flowing, scribbled text. But Ye Yongqing uses an "eyebrow pencil" to portray abstract lines and points to form a poetic visual language. His latest paintings further expand on this. He created seven abstract paintings of an identical composition, method, symbol and style entitled Broken - Heart. These paintings vary in either background color or color of the lines.

湯布里在繪畫中并用炭筆中日韩一级AAAAAAAAA、彩色鉛筆、粉筆和油畫顏料国产黄在线观看免费观看网站，還借用文字抽搐涂抹飛動書寫又黄又湿又刺激一区二区三区，而葉永青的繪畫則用"眉筆"一點(diǎn)一劃描繪出抽象的線條，構(gòu)成了詩意的視覺語言日韩成人教师在线播放视频，尤其是他最近的繪畫把這樣的觀念性做了進(jìn)一步延伸日韩第一区自拍视频在线观看网站，他完成了七幅同一構(gòu)圖、同一方法特一级AAAAAA色、同一符號户外露出国产一区、同一風(fēng)格的抽象繪畫《傷·心》，它們的不同表現(xiàn)為：要么每一幅畫中的底色不同黄频又色又硬又爽，要么每一幅畫中符號描繪的顏色不同9999免费视频。

Draws lottery in public and talks to above-mentioned"do not line up the preface too happy type", according to 《the book of variety 》of theories, factitiousness' assigning name to the number of number ball number is "give"ed five lines of attributes, whenever open one ball, in the middle of drawing lottery in public machine, meeting imperfection an is 5 lines, at the same time, system will also because of interaction but the loss correspond of energy.

對于上述"非排序樂透型"開獎而言，按照《易經(jīng)》的理論三级片免费网站视频，人為命名號球號碼的數(shù)字被"賦予"了五行的屬性www.日本jizz.com，每當(dāng)開出一個號球，在開獎機(jī)中另类欧美97性XXXXX，就會缺失一份五行bbixxcon，與此同時，系統(tǒng)也會因?yàn)橄嗷プ饔枚鴵p失相應(yīng)的能量最近2018中文字幕MV。

In the 50-Hz standard a field consists of 287.5 lines and in the 60-Hz standard of 243.5 lines.

在50赫茲標(biāo)準(zhǔn)的領(lǐng)域包括287.5線和在243.5線60赫茲標(biāo)準(zhǔn)国语午夜成人三级片。

Therefore coherence is produced only along field lines, and cannot be produced between radiations from different field lines.

因此相干只發(fā)生在沿著磁力線方向，而相鄰磁力線的輻射之間便不存在著相干精品性欧美牲交在线视频。