广义需求圆锥体的大中生小的孕育是由技术创新导致的，亦即其不断的“胎生”是由技术创新推动的。
The gestation of demand cone of broad sense is led by technological innovation. That is that continuous viviparity is promoted technological innovation.
广义需求圆锥体的大中生小的孕育是由技术创新导致的，亦即其不断的“胎生”是由技术创新推动的。
The gestation of demand cone of broad sense is led by technological innovation. That is that continuous viviparity is promoted technological innovation.
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