This is an aircraft I built to test concepts and techniques that I've recently discovered, namely the 'circle plane' concept and using twin tails, which I just learnt how to do. This plane flies well and is great for pictures, especially at night. There is also the challenge of flying ...
. A spherical circle plane is called a flat Mbius plane or flat inversive plane if the derived geometries at all its points are flat affine planes. It is easy to show that a flat spherical circle plane is a flat Mbius plane if and only if it satisfies the so-called axiom of touching:...
05. 平面几何 plane geometry [pleɪn dʒiˈɑːmətri] 06. 三角形 triangle [ˈtraɪæŋɡl] 07. 正方形 square [skwɛr] 08. 菱形 diamond [ˈdaɪmənd] 09. 平行四边形 parallelogram [...
秦川英语词汇量(7176) 7176, circle [sɜːkl] (高中词汇3500) vt. 环绕, 绕过, 围 The plane circled the airport before landing.飞机在着陆前绕机场环飞。 Someone had circled the next paragraph in red.…
The helicopter was circling slowly, verylow. 直升飞机在低空慢慢盘旋。 Vultures circled in slow spirals above thecamp. 兀鹫在营地上空缓慢盘旋。 The plane circled for an hour beforereceiving permission to land. 飞机盘旋一小时后才接到允许着陆的命令。
The plane(circle) the airport before landing yesterday 相关知识点: 试题来源: 解析 【答案】circled【核心短语/词汇】before:在...以前【翻译】昨天飞机在着陆前绕着机场转圈。【解析】根据句意(昨天飞机在着陆前绕着机场转圈。),可知考查一般过去时态,谓语动词要用过去式,circle(转圈),故答案为:circled 反馈 ...
round和circle的区别:词性不同,意思不同,用法不同。1、词性不同 round作形容词或者副词。circle作名词或者动词。2、意思不同 round意思:圆形的;环形的;球形的;弧形的;圆弧的;整数的;尾数是0(或5)的 circle意思:圆;圆形;圆周;圆圈;圆形物;环状物;圈;环 3、用法不同 round用法 round off使...
Circle: the set of all points on a plane that are at a fixed distance from a center.AreaThe area of a circle is π times the radius squared, which is written:A = π r2WhereA is the Area r is the radiusTo help you remember think "Pie Are Squared" (even though pies are usually ...
1、round强调“围绕”“环绕”等意思,主要用于英国,多半指动态。如:He whirled his partner round the dance floor.他带着舞伴环绕舞池旋转。2、circle强调合围成一个实在的封圈,也指环绕某物、某处运行。如:Someone had circled the next paragraph in red.有人将下一段划了一个红圈。二、...