The variation is the core and basic tool of geostatistics.变异函数是地质统计学的核心和基本工具.The variant function is the core of geostatistics.变异函数是地质统计学的核心部分.The spatial variability of regional water requirement ( WR ) and water defici...
It was unbelievably dramatic as lightning crackled all round the van.闪电在货车周围炸开时，情景异常壮观。Suddenly a bolt of lightning crackled through the sky.突然一道闪电划破长空。There was frequent thunder and lightning, and torrential rain.雷电交加，大...