In the end, the design of variable-length tree resources naming is given to reduce control signaling overhead in carrier aggregation.
最后，在聚合后的资源标识方面，设计变长树型的资源标识方式，降低控制信令的开销。
2
The crude touchwood carrier with a coarse surfacewas of great absorption so that it was suitable for the microorganisms to grow on and it wasable to adapt to variable volumetric loading well.
天然朽木填料表面粗糙，具有较好的吸附性能，适合微生物生长，抗冲击负荷能力强。
3
The principle of cascade H-bridge converter is analyzed. Variable-Frequency Carrier Bands PWM(VFCB-PWM) technique is discussed. Cascade H-bridge converter based on VFCB-PWM technique is proposed.