结果表明：积水对夏玉米密度、绿叶数、果穗长、果穗粗和实产的影响较明显，而对发育期出现早晚和百粒重的影响不明显。
The results showed that flood had obvious impacts on the maize density, maize greenery, ear lengthen and thick, and the yields, but not on the development process and one hundred grains weight.
根据颜色、明暗、紧实度和纹理等条件，他们需要在数分钟之内估算出其产肉量、并迅速的评估牛肉的质量。
In a matter of minutes, they have to estimate potential yield and quickly assess the quality of the beef, based on factors such as color, brightness, firmness and texture.
为解决产层套管的弯曲问题，通过建立压实、出砂引起的弯曲套管的力学模型，来解释部分层段产生相对滑动以及弯曲的机理。
To solve the problem, this paper establishes a mechanical model of casing bend to explain the relative slipping and casing bend mechanism for some layer segments.
为解决产层套管的弯曲问题，通过建立压实、出砂引起的弯曲套管的力学模型，来解释部分层段产生相对滑动以及弯曲的机理。
To solve the problem, this paper establishes a mechanical model of casing bend to explain the relative slipping and casing bend mechanism for some layer segments.
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