x Well, we know how to compute partial w over partial x y or partial w over partial y, which measure how w changes if I move in the direction of the x axis or in the direction of the y axis.
我们知道如何计算∂w/∂,或者∂w/∂,这衡量了我在x轴,或者y轴方向上移动时，w的变化。
Shi C. H. , R. W. Du, D. W. Lin, W. G. Zhang and Z. T. Shen, A new indica rice variety Zhe-Nong 8010 with disease resistance, high quality and yield.
石春海、杜如伟、林大为、章旺根和申宗坦，优质高产抗病早籼品种浙农8010的选育及利用。
Shi C. H. , R. W. Du, D. W. Lin, W. G. Zhang and Z. T. Shen, A new indica rice variety Zhe-Nong 8010 with disease resistance, high quality and yield.
石春海、杜如伟、林大为、章旺根和申宗坦，优质高产抗病早籼品种浙农8010的选育及利用。
应用推荐