1) product of bivector
双重矢性积
1.
This paper points out the common problems in proving the expansion of the product of bivectort, and provides the strict proof.
指出对双重矢性积展开式证明中的常见问题,并给出了严格的证明。
2) vector quantitative product
矢量数性积
1.
Through analysing and solving living examples,the author of this paper expounds the widespread application of vector quantitative product in solving process.
矢量数性积是矢量代数中的一种运算 ,它沟通了矢量与代数间的转换关系 ,同时它也有效地解决了几何度量和角度问题。
3) vector triple product
成矢三重积;向量三重积
4) doubly integrating
双重积分
1.
The design procedure of the two-degree-of-freedom IMC-PID controller for doubly integrating plants with delay is proposed based on the internal model control theory.
针对一类具有时滞的双重积分对象,根据内模控制理论提出一种二自由度IMC-PID控制器设计方法。
2.
Two new two-degree-of-freedom control structures were proposed for doubly integrating plants with time delay, in one of which the setpoint tracking controller is designed by using the H_2 optimal performance specification and in the other, a conventional derivative controller is utilized for the setpoint tracking.
针对具有时滞的双重积分对象,提出了两种新颖的二自由度控制结构。
5) crossproduct
双重交叉积
1.
The crossproduct over weak Hopf algebras ;
弱Hopf代数上的双重交叉积
6) double dot product
双点积;二重点积
补充资料：先天性交通性鞘膜积液
先天性交通性鞘膜积液
congenital communication hydrocele
睾丸下降到阴囊后，腹膜鞘突在出生后仍未闭合，腹腔内液体与鞘膜囊内液体交通。主要症状是婴儿阴囊肿大，鞘膜囊透光试验阳性。生后6个月内尚不闭合消失，则应手术治疗。作鞘膜突近端高位结扎术、远端鞘突开窗术，效果满意。睾丸肿瘤有时误诊为鞘膜积液，但肿瘤透光试验阴性、触诊为非囊性而有沉重实质感。血清内HCG、AFP值升高有助诊断。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条