Equally important to the ballistic range tests is the design of model and sabot.

模型及弹托设计是开展弹道靶试验研究的基础。

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The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range.

阻尼导数只能用风洞或弹道试验来确定。

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The ballistic range experiment is conducted for code validation and the sphere model is made of steel.

数值模拟结果与文献结果进行了对比，并在弹道靶中进行了钢质圆球的实验验证。

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Officials say Iran has made slower progress than expected in developing long-range ballistic missiles.

VOA: special.2009.09.19

Short-range test launches are not formally prohibited under United Nations sanctions against the North, which forbid medium and long-range ballistic activities.

VOA: standard.2009.10.13

U.S.officials say no part of the three-stage rocket reached orbit and the launching was a thinly-disguised test of a long-range ballistic missile that was banned under a 2006 U.N.resolution.

VOA: standard.2009.04.15

Under the Obama plan, dozens of Aegis vessels will eventually be upgraded to defend against the full range of ballistic threats, including intercontinental-range missiles.

FORBES: Can U.S. Defenses Cope With North Korea's Missiles?

More than two dozen nations either already possess long-range ballistic missiles or will soon have them.

CENTERFORSECURITYPOLICY: Center For Security Policy

But Britain believes Iran has also conducted at least three secret tests of medium-range ballistic missiles since October.

BBC: William Hague concerned over Iranian missile tests