Three trainer quantities have the drop tendency.

三线教练员数量有下降趋势。

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Although incidence rates of water-borne diseases had the drop tendency, virus hepatitis rised rapidly.

介水传染病发病率虽然有下降趋势，但病毒性肝炎上升迅猛。

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The total ecosystem service value of Hubei was unstable and had a drop tendency in 2003, but was being rised after 2003.

湖北省生态系统服务价值在2003年波动不稳定有下降趋势，但是在2003年之后又逐渐抬升。

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Incredibly popular restaurants have a tendency to drop out of favor, Einhorn noted, displaying a slide full of previously explosive companies like Boston Market and TCBY.

FORBES: Hold The Guacamole, Einhorn's Shorting Chipotle