为什么在燃料量不变的情况下,汽压升高,蒸汽流量表指示降低,而汽压降低时,蒸汽流量表指

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问题:

为什么在燃料量不变的情况下,汽压升高,蒸汽流量表指示降低,而汽压降低时,蒸汽流量表指示增加?

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根据短文内容回答问题。

    In 1896, the first modern Olympic Games was held in Athens, Greece. From then on, many countries

had successfully held the Olympics, such as England, France, Germany, Canada, the U.S.A., Spain and

Australia. After more than a hundred years, the Games returned to its hometown in the year of 2004.

When a country hosted the Olympic Games, they always made an emblem (会徽). The emblem of the

Athens 2004 Olympic Games was a white circle of olive branches (橄榄枝) in the sky.

   In 2008, Beijing will host the Olympics. Its emblem is "Jing". It means the capital of China and it is also

like a runner or dancer. The running figure (人形) of the emblem shows the spirit (精神) of the Olympics:

Faster, higher and stronger.

1. When was the first modern Olympic Games held?

    ___________________________________________

2. What do people make when they hold the Olympic Games?

    ___________________________________________

3. Does the character (图案) of "Jing" mean the capital of China?

    ___________________________________________

4. What's the spirit of the Olympic Games?

     __________________________________________

5. How many golden medals (金牌) did China get in 2008 Olympic Games?

     __________________________________________

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燃料调整特性是在一定的节气门开度和转速保持恒定的情况下,汽油机的功率或扭矩随过量空气系数α而变化的关系。

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线性度是数字式仪表的重要性能指标之一线性度的表示通常用实际测得的输入-输出特性曲线(称为校准曲线)与理论直线之间的()与测量仪表量程之比的百分数来表示

A、最大偏差

B、最小偏差

C、平均偏差

D、偏差

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下列何方中的大黄与他药配伍苦寒之性被’制,而泻下之功犹存()

A.大承气汤

B.麻子仁丸

C.大黄牡丹汤

D.凉膈散

E.温脾汤

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合理用药的目的是

A.最大限度地发挥药物治疗效能,将中药和中成药的不良反应降低到最低限度,甚至于零

B.使患者用最少的支出,冒最小的风险,得到最好的治疗效果

C.最有效地利用卫生资源,减少浪费,减轻患者的经济负担

D.方便患者使用所选药物

E.提高制药企业的经济效益

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