Temperature difference from top to bottom in preheating zone of tunnel kiln is the biggest obstacle for rapid firing, energy saving.

隧道窑预热带内上下温差过大是实现快速烧成、节能降耗的最大障碍。

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Quickly with your fingers touch the larger number of targets to shoot him, the rapid firing of the target will receive higher scores.

用手指快速触摸较大数字的靶子来射击他，快速的射击正确的靶子将获得较高的分数。

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The arquebus is a very heavy weapon compared with the bow, and tires out soldiers on the march; their aims grow unsteady after half an hour's rapid firing.

火绳枪是很笨重的武器，使士兵在行军途中很容易疲劳，而且他们的射击精度很不稳定，纵使只经过了半个小时。

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First-grade teacher Kaitlin Roig heard what sounded like the rapid firing of an assault rifle.

CNN: STORY HIGHLIGHTS

How unlike the rapid firing off and counter-fire of email messages in which many of us find ourselves engaged nowadays as our predominant means of communicating with colleagues and friends, and even with complete strangers.

BBC: A Point of View: Mourning the loss of the written word

The lander will control its descent by firing individual thrusters in rapid, precise bursts under computer control.

ECONOMIST: Double, double, Hubble trouble