直线

• The deepest penetration up to date is a distance of thirty-eight miles as the crow flies .
  截至目前，突入敌军阵地最深的是直线距离三十八哩。
• The beam of light is attracted by gravity and follows a curved path rather than a straight line .
  光束受引力吸引，不沿直线而沿弯曲路线传播。
• These high-frequency shout waves are only able to travel in straight paths from the transmitter .
  这些高频短波从发射机发出后只能从直线传播。
• Unless the target starts manoeuvring, the missile tends to fly straight near interception .
  除非目标开始移动，否则导弹会直线地飞行接近碰撞点。
• Trend is the direction of the horizontal projection of a line, measured clockwise from north .
  线倾向：它是直线水平投影的方向，自正北顺时针度量。
• The logarithmically plotted rheograms also show straight lines but these are of unity slope .
  对数座标流变图也显示为直线，而且这些直线的斜率相同。