The availability of good medical care tends to vary inversely with the need for it.

优质医疗服务提供往往与需要成反。

Pressure varies directly with temperature and inversely with volume.

压力随温成正化, 与容积成反化。

The amount of force needed is inversely proportional to the rigidity of the material.

需要力与材料硬成反。

Conclusions were drawn:thickness of sclerenchyma correlates with gemination percentage,and was in inverse proportion to gemination percentage.

萝种子发芽率高低主要与壁组织层及它占种皮全有关，且成反。

The blood volume of microcirculation is in direct proportion to the dp of arteriole and veinule,and in inverse proportion to the whole resistance of microcirculation.

微循环血流量与微动脉和微静脉之间血压差成正,与微循环中血流总阻力成反.