I am very not easy to long to piece of white batt. 我好不容易长到了一块白色的棉絮。
Batt was67 years old when he made the journey in1987. 1987年,当时67岁的伯特伦成功穿越英吉利海峡。
The stress-free time under oblique load is shorter than vertical load. Stability Analysis of soft batt tunnel and the surrounding rock under status of shallow cover layer and oblique load 斜向冲击载荷时,牙周膜应力下降直至消失的时间比巫直向冲击载荷短。浅埋偏压状态下软弱泥质页岩隧道洞室及围岩的稳定分析
State-of-charge ( SOC), one of the important parameters reflecting batt ery's health, cannot be precisely obtained by traditional method. 蓄电池的荷电状态(SOC)值是反映电池健康状况的一个重要参数。传统的SOC预测方法难以得到精确的结果。
Three period photosynthetic rate high and low one by one in order for spending: the boll period> the bud period> the batt period, and during batt period the photosynthetic rate obviously descent; 三个时期光合速率高低依次为花铃期>蕾期>絮期,且絮期光合速率明显下降;
Development of High Performance Cordierite Mullite Batt 高性能堇青石&莫来石棚板的研制