田里一窄条路，八月里这忧愁？
不含数字值的窄条形图表示没有目标处于该状态。
Narrow bars without a number value indicate that no target is in those states.
以条宽为特征量，得出了竖窄条自然对流换热关系式。
The relational expression of natural convective heat transfer of isothermal vertical strip was found.
以条宽为特征量，得出了竖窄条自然对流换热关系式。
The relational expression of natural convective heat transfer of isothermal vertical strip was found.
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