That gives an effective control range of 30km.

有效围为30公里。

Expiration dates are what we know to be safe and effective.

药物有效期是我们已知安全和有效时间围。

The Committee report also says the Soviet Union is effectively using United Nations organizations worldwide to conduct spying operations.

委员会报告还说，苏联正在有效地利用世界围内联合国组织，进行间谍活动。

It has to do with payload and range and so on.

它与有效载荷和围等有关。

This Probable Error is used to help define the range of effective measurement increments.

该概率误差用于帮助定义有效测量增量围。

Going lower, the next range that works is 8 to 14, leaving out the 3x3 square.

再往下， 下一个有效围是 8 到 14，不包括 3x3 方块。

He chose a shrapnel that wouldn't do too much damage outside of a limited range Why?

他选择了榴散弹 那么在有效围之外 不会造成太多损害 为什么?

It really defines how precise your measurement system can be – and defines a range of effective increments for your measurement system.

它真正定义了您测量精确度， 并定义了测量有效增量围。

The effective power and range of the main beam from all these  antennas combined is actually closer to 3500 times that of a single antenna.

所有这些天线主波束有效功率和围实际上接近单个天线 3500 倍。

Besides, this section also includes limitations, assumptions, the range of validity, as well as description of your analytical methods, including references to any specialized statistical software.

此外，本节还包括限、假设、有效性围，以及对分析方法描述，包括对任何专业计软件引用。

The question of the scope and validity of induction is of great difficulty, and of great importance to our knowledge. Take such a question as, " Will the sun rise to-morrow" ?

归纳法围和有效性问题非常困难，但对我们知识非常重要。以“明天太阳会升起”这样问题为例吗？