long axis direction的用法和樣例：
例句
- No flat surface perpendicular to the pseudo-twofold axis could be formed.
不能自然形成垂直于偽二次軸方向的平坦的表面小平面。 - The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing groundwaters.
橢圓形的鈣質(zhì)結核的長(cháng)軸方向反映了地下礦化水的流動(dòng)方向。
