batt

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。

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

Development of High Performance Cordierite Mullite Batt

高性能堇青石&莫来石棚板的研制

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。

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。

There are two states to be considered here . One is the complete laminar boundary layer and the other is the boundary layer transition . The transition point is confirmed by Batt boundary layer transition criteria .

在二维零攻角来流情况下，考虑了两种流动状况，一种是完全层流无转捩；另一种为采用Batt边界层转捩准则来确定边界层转捩点。

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；