The R phase transformation gradually comes to stability with cool-heat cycle time increasing.
R-相变进行的程度随着冷热循环次数的增加逐渐趋于稳定。
Conclusion The optimal R-R phase of retrospectively ECG-gated reconstruction images can decrease the artifacts of cardiac motion and improve the reconstructive image quality of coronary arteries.
结论选择回顾性心电门控最佳R R时相重建冠状动脉可以最大限度减轻心脏运动伪影，提高图像质量；
Most IT enterprises recently are in the fast growing phase, which are in urgent need of rebuilding their compensation systems fit for the characteristics of R&D staff.
目前我国的大部分工T企业正处于快速成长阶段，急需构建适合于IT企业研发人员特点的薪酬体系。
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