7、the grey canopy of the sky
11、You were the grey beret and the still heart.
15、At noon, the sun wanders in the grey clouds, the light and shadows give people melancholy.
19、The application of grey data mining model in the management and decision of logistics enterprises has proved that the grey forecasting model and clustering model is effective and of practical value.
3、She's riding the grey.
8、I came to the grey squirrels' town.
13、The paper integrates integer programming and grey model, then gives the grey integer programming model of searching submarine, provides test method and resolution step, finally illustrates it.
18、Being based on the runoff plot investigations, a dynamic model of grey systems about the rainfall, the runoff rate and the soil erosion was introduced by using the grey systems theory.
4、The pavement was wet, and the low-lying water reflected the grey blue sky and grey clouds.
10、Nothing would grow in the shadow of the grey wall.
17、In this paper, the grey predicting theory is introduced in sliding mode variable structure control and a novel grey sliding mode variable structure controller is designed.
5、I'll take the grey jacket.
14、Why go back to the grey, the dirt, the noise, the rush?
2、With the help of grey matrix theory, we propose the grey input-output analysis.
16、The roof level is identical, window heights match, and the grey brickwork complements the monochrome stonework.
9、The grey horse was very tall, and its back was high. With the help of the waiter, I mounted the grey horse.
6、When I first arrived in the city, it was the end of winter and the beginning of spring. Looking down from the height, I could see the grey houses, the grey cement roads, the grey sky and the bare branches.
12、The relationship between the grey model(GM(1,1) model) and the discrete grey model(DGM(1,1) model) is analyzed, and their prediction precisions and stabilities are discussed.
1、 At dusk, the grey sun began to fade into the grey twilight.
20、The living example calculation showed that the grey system forecasting methode can guide the safe production in the mine.
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