双能CT也已被证明能够改进图像质量和减少伪影如射线硬化等在CT灌注成像方面的传统局限性（101）。
Dual-energy CT has also been shown to allow for improvements in image quality and reduction in artifacts such as beam hardening that have traditionally limited CT perfusion imaging(101).
在分析了其他变频器的局限性后，指出了双PW M变频器是交流励磁的最佳电源方案，详细地讨论了电压型双pw M变频器的工作原理与控制策略。
In this paper, a back-to-back PWM converter is considered as the optimum scheme of ac excitation power supply and its operation principle and control strategy are discussed in detail.
目的比较双侧与单侧ect的优点及局限性。
Objective To compare the advantages and shortcomings between unilateral ect and bilateral ect.
为了解决蜘蛛网格算法在图像漫游中局限性，提出了双灭点的松弛蜘蛛网格算法。
A new approach for solving the spidery mesh limits in image based virtual touring , which uses a relaxing spidery mesh with two vanishing points, is proposed in this paper.
为了解决蜘蛛网格算法在图像漫游中局限性，提出了双灭点的松弛蜘蛛网格算法。
A new approach for solving the spidery mesh limits in image based virtual touring , which uses a relaxing spidery mesh with two vanishing points, is proposed in this paper.
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