您要查找的是不是：
- principal symmetry plane 衷称面
- Reconstructing Symmetry Plane by Feature Matching 三维模型对称平面重建的特征匹配方法
- Synchronous Motion of Center Symmetry Plane Three Connecting Rod 中心对称平面三连杆的同步运动
- The plane climbed until it was clear of the clouds. 飞机爬升穿出了云层。
- The flier is flying a new-type jet plane on trial. 飞行员正在驾驶一架新式喷气机作试验飞行。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The landscape unrolled under the speeding plane. 大自然的景色展现在快速飞行的飞机之下。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- Mary would rather travel by train than by plane. 玛丽宁可乘火车而不愿乘飞机旅行。
- The plane stop over in Lyons on the way to Paris. 这架去巴黎的飞机在里昂中途停留。
- Having or marked by bilateral symmetry. 左右对称的以或表现为左右对称的
- Are you going to America by boat or by plane? 你到美国是坐船还是坐飞机？
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- The plane taxied along the tarmac. 飞机沿跑道滑行。
- At the news of the plane crash she turned pale. 听到飞机失事的消息她的脸都吓白了。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。
