1. With experience, and with improved apparatus,
    根据经验和改进了的仪器，

2. The apparatus projects missiles into space.
    那项装置把飞弹发射至空中。

3. The apparatus thus described, however, records only the horizontal component of the wave movement, which is, in fact, much more complicated.
    然而，这里所说的仪器记录下来的只是地震波运动中的水平部分，地震波的运动实际比这要复杂得多。

4. So was born the echo-sounding apparatus, now in general use in ships.
    这样就产生了目前各种船舶上普遍应用的回声探测仪。

5. They aroused great interest at the time, they had important theoretical consequences, and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
    这些观察当时引起人们极大的兴趣，具有重要的理论意义，并充分显示出了仪表和仪器的潜在力量。