"Half this number is less than 6 times the tens dight of the number by 4."

这个数值的一半比它的十位数值的6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测的一般需要,通常采用纳秒到十纳秒量级的电磁探测窄脉冲,信有流低到千兆赫兹的宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已经使水位下降了几十米，迫使人们使用质量较差的水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数值一半比它数值6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测一般需要,通常采用纳秒到纳秒量级电磁探测窄脉冲,信号频谱有从直流低频直到千兆赫兹宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已经使水下米，迫使人们使用质量较差水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数值的一半比它的位数值的6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测的一般需要,通常采用秒秒量级的电磁探测窄脉冲,信号频谱有从直流低频直千兆赫兹的宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

取地下水做为饮用水和用来灌溉在许多地区已经使水位下降了几米，迫使人们使用质量较差的水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数值的一半比它的十位数值的6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测的一般需要,通常采用纳秒到十纳秒量级的磁探测窄脉冲,信号频谱有从直流低频直到千兆赫兹的宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已使水位下降了几十米，迫使人们使用质量较差的水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数值一半位数值6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测一般需要,通常采用纳秒到纳秒量级电磁探测窄脉冲,信号频谱有从直流低频直到千兆赫兹宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已经使水位下降了，迫使人们使用质量较差水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数值的一半比它的十位数值的6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测的一般需要,通常采用纳秒到十纳秒量级的电磁探测窄脉冲,信号频谱有从直流低频直到千兆赫兹的宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已使水位下降了几十米，迫使人们使用质量较差的水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数值的一半比它的十位数值的6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测的一般需要,通常采用纳秒到十纳秒量级的电磁探测,信号谱有从流到千兆赫兹的宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已经使水位下降了几十米，迫使人们使用质量较差的水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数值的一半比它的十位数值的6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测的一般需要,通常采用纳秒到十纳秒量级的磁探测窄脉冲,信号频谱有从直流低频直到千兆赫兹的宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已经使水位下降了几十米，迫使人们使用质量较差的水来做为饮水。

"Half this number is less than 6 times the tens dight of the number by 4."

这个数半比它十位数6陪小于4.

For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz.

按照对地目标探测般需要,通常采用纳秒到十纳秒量级电磁探测窄脉冲,信号频谱有从直流低频直到千兆赫兹宽带。

Overpumping groundwater for drinking water and irrigation has caused water levels to decline by tens of metres in many regions, forcing people to use low-quality water for drinking.

过度抽取地下水做为饮用水和用来灌溉在许多地区已经水位下降了几十米，迫用质量较差水来做为饮水。