1) power flow
功率流向
1.
This paper elaborates the basic principle and the power flow of UPS by Triport through mathematical analysis.
文中通过数学分析，说明三角馈电UPS的基本原理和功率流向。
2) bi-directional power flow
双向功率流
1.
Bi-directional inverter with high-frequency link has the advantages such as bi-directional power flow, high frequency electrical isolation, simple topology, few stages of power conversion, and it is especially suitable for occasion in bi-directional power flow.
双向高频环节逆变器具有双向功率流、高频电气隔离、拓扑简洁、功率变换级数少等优点,特别适用于要求双向功率流的逆变场合。
2.
Bi-directional inverter with high-frequency link has the advantages such asbi-directional power flow, high frequency electrical isolation, simple topology, few stagesof power conversion, and it is especially suitable for occasion in bi-directional power flow.
双向高频环节逆变器具有双向功率流、高频电气隔离、拓扑简洁、功率变换级数少等优点，特别适用于要求双向功率流的逆变场合。
3) axial power flow
轴向功率流
1.
The paper advanced axial power flow distribution to choose the optimal guided wave mode and its frequency-thickness products for non-destructive testing (NDT) of pipes,and hybrid boundary element method is used to pipes to verify the validity of the results.
用轴向功率流分布来选择检测自由管状结构的最佳导波模式及其最佳频厚积 ,并将混合边界元法应用于管状结构 ,对其结果的有效性进行了验证 。
4) two power flow steering
双功率流转向
5) bi-directional power flow
双向功率流动
6) to and fro flow of power
功率双向流动
补充资料：旅游者流向与流量
旅游者流向与流量
旅游者流向与流里在一定时期内多数旅游者旅行的地域趋向。在洲际旅游中，旅游者一般集中于欧洲、北美、东亚和太平洋地区;在洲内旅游中，旅游者一般流向邻近国家和地区;在国内旅游中，旅游一般由城市流向乡村。与旅游者流向密切相关的因素，有旅游者收入水平，旅游设施与服务质量，旅游者的兴趣爱好，旅行安全与旅游地自然、地理、历史特征等。旅游者流向的趋势常常由于政治、战争、恐怖活动等而受到影响。一定时期内流向某地域的旅游者数量称为旅游者流量。旅游者流向与流量的多少，对于旅游接待国或地区的旅游业发展有重要意义。它是旅游市场上各旅游接待国或地区之间竞争的主要目标。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条