These, together with some traditional programming preconceptions can often present an important hurdle in a process of adoption of this valuable technique.
这些误区与某些传统的对编程的偏执一样，总是会成为吸取技术精华的壁垒。
At the Shanghai Diamond League over the weekend, Liu was debuting a change to his starting technique, taking one less step before reaching the first hurdle.
周末的上海钻石联赛，刘翔首次采用上栏新技术，在第一栏之前采用比以前少一步技术。
However, an efficient and effective production test technique is the final hurdle of the mass application of the asynchronous circuits.
然而，高效的产品测试技术依然是异步时序电路大规模应用的一个很大的障碍。
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