您要查找的是不是:
- Axis of a pencil of planes 平面束的轴
- The axis of a circle is its diameter. 圆的轴线是其直径。
- We write with the tip of a pencil. 我们用铅笔的尖端写字。
- The main axis of a compound leaf. 复叶的主轴。
- Both were about the size of a pencil eraser. 两个蜘蛛都有铅笔头橡皮的大小。
- Give him a pencil instead of a pen. 那个女孩不要钢笔,给她一支铅笔吧。
- One end of a pencil is tapered off to a point. 铅笔一端逐渐变细为一个小点。
- The vertical axis of a two-dimensional Cartesian coordinate system. 纵坐标轴笛卡尔平面坐标上的纵轴
- A plane section of a surface of revolution containing the axis of revolution. 切平面通过旋转轴回转面的部分平面
- Either extremity of the main axis of a nucleus, a cell, or an organism. 卵细胞的极细胞核、细胞或有机体的主轴两端的任一端
- Of a source. Distribution of luminous intensity having an axis of symmetry or at least one plane of symmetry. 对光源而言,至少有一轴对称或面对称的光强分布。
- A gyroscope is so mounted that, as its axis of spin establishes and maintains the true vertical, it makes possible the establishment of a reference plane in the horizontal. 在船上安装一具陀螺仪,旋转它的转轴并保持在直立状态,如此一来便可对应水平面建立一个参考面。
- The cake we made was somewhat of a failure. 我们做的蛋糕不大成功。
- In computer graphics, turning all or part of a display image180 degrees about an axis in the plane of the display surface. 在计算机制图技术中,显示图象的全部或一部分对显示面所在平面中某个轴线翻转180度的处理方法。
- Either extremity of the main axis of a nucleus,a cell,or an organism. 卵细胞的极细胞核、细胞或有机体的主轴两端的任一端。
- The horizontal axis of a two-dimensional Cartesian coordinate system. 横坐标轴平面直角坐标系中的水平横轴
- Will you partake of a drink with us? 和我们一同喝一杯好吗?
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- A diminutive axis of a spikelet that bears the florets,as in grasses and sedges. 叶轴带复叶小叶的叶柄的轴的延长,如草类和蒿类的叶轴