Collision detection is the choke point of roam in 3d scene.

碰撞检测问题是三维场景漫游的技术难点。

In many cases the firewall is still the choke point of the bandwidth.

在很多场合下，防火墙的性能已经成为网络带宽的瓶颈问题。

Learning of field knowledge is always a choke point of texical analysis.

领域知识获取一直是文本处理中的关键技术。

A single bridge over the river serves as a choke point in the center of the map;

位于地图中央河上的一座单一桥梁成为了交锋之地；

These gateways provide a choke point at which security and auditing can be imposed.

这些关卡提供了一个扼止点，在此可以进行安全检查和审计。