Use your protractor to construct an equilateral triangle.

用量器作一个等边形。

He has been to the delta of the Nile.

他曾去过尼罗河洲。

The piano family in this house ranges from grand and square to upright and pianola.

展品包括了钢琴，长形钢琴，立式钢琴和自动钢琴等。

Also shows the Mizen parrel for the lateen yard.

及固定帆桁的后桅索箍。

Simply put, a delta-wing is a triangular wing planform.

简单地说，翼就是型的翼面。

It’s more or less triangular plot of land.

这块地略成形。

The structure shows a distorted trigonal bipyramidal configuration with five-coordinations to a central tin atom.

结果表明,化合物中锡原子呈五配位畸变构型。

The angles are equal,for ABC is equilateral.

相等,因为形ABC是等边形。

Caudex branched, erect, to 2 cm in diam.Caudex leaves scalelike, triangular to subtriangular.

块分枝，直立，在2厘米直径块鳞片状，到近形形。

Eustatic lake level and source change had resulted in intercalation development in braided delta system.

湖面的升降和物源的摆动使辫状洲沉积体系中发育夹层。

It is a general designation for the previously triangulation, trilateration survey and triangulateration.

它是对已往测量、边测量和边网测量的统称。

We may determine the height of a mountain by trigonometry.

我们可用原理测定山的高度。

In contrast , the regular and good reserved delta front is disadvantaged to form fluxoturbidite.

相反,形态规则、保存完好的洲前缘反而不利于滑塌浊积岩的形成。

Seismicity can damage the stability of delta front and form liquefied fluxoturbidite and faulted fluxoturbidite.

其中地震作用可以破坏洲前缘的稳定性，形成液化滑塌浊积体和断阶滑塌浊积体。

Near the Martian equator sits a volcano 1,100 kilometers in diameter named Syrtis Major.

在火星的赤道附近，座落著一个直径1100公里的火山，称为大。

Boubou customers throughout all over, especially in Dongguan, Shenzhen-based Pearl River Delta.

客户遍布布全国各地，特别是东莞、深圳为基地的珠江洲。

We set the flying jib and cracked on.

我们拉起帆, 顺风行驶。

The hypotenuse is the longest side of a right triangle.

直形的斜边是直形中最长的边。

All of these are congruent triangles.

所有这些都是全等形。

Repulsion, threat and revanchism factors at alignment is now only effective if close in the triangle.

排斥，威胁和复仇主义因素调整目前唯一有效的，如果关闭的形。