sparse array造句

Is a string type that can be used in arithmetic and also as a keyed map or indexed optionally sparse array
是一个字符串类型，可以用在算术运算中，也可以作为键映射（ keyed map ）或索引（可选情况下索引可以分散）数组。
Then , pattern synthesis for sparse array antenna using genetic algorithms is researched . at last , we researched on conformal patch on the surface of cylinder and the effect of conformal antenna platform on the radiations of patches in different positions . how to get a good feeding for conformal array antenna by genetic algorithms is presented in the end
文中介绍了遗传算法在综合低副瓣阵列中的应用;采用遗传算法给阵列天线的方向图赋形,其结果优于同种条件下用woodward法得到的结果;同时,考察了遗传算法的稳定性;分析讨论了遗传算法在综合稀疏相控阵方向图综合中的应用。
It's difficult to find sparse array in a sentence. 用sparse array造句挺难的