您要查找的是不是：
- linear preserver problem 线性保持问题
- linear preserver problems 线性保持问题
- linear preserving problem 线性保持问题
- Preserver Problems on Spaces of Matrices 矩阵空间的保持问题
- I look at this problem from a different viewpoint. 我从不同的观点来看这个问题。
- Must note the heat preservation problem of abdomen, catch a cold also can cause abdominal pain, I suggest you had better look to the hospital, still be early treatment unhealthily. 一定要注重肚子的保暖问题，着凉也会引起腹痛的，我建议您最好到医院去看看，有病还是早治疗。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- In dealing with the problem he was cautious to an extreme. 他在处理这个问题时谨慎得过分了。
- Linear preservers of rank between matrix spaces 矩阵空间之间的秩的线性保持
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
- Heavy traffic poses a problem in many old towns. 交通拥挤是许多旧城镇的难题。
- The problem is quite plain to us. 那问题我们都很明白。
- They dealt with the problem in a purposeful way. 他们处理这问题很果断。
- A new problem has been reared up in production. 生产中出现了一个新问题。
- It was Susan who brought the problem to our notice. 是苏珊提醒我们注意那个问题的。
- I think this problem is very simple and clear cut. 我认为这个问题非常简单明白。
- It is proved, by simulation paradigm, that the proposed schemes are secure, and particularly suitable for solving privacy preserving problems in network. 模拟范例证明了所提方案具有一定保密性，且特别适用于解决计算机网络中的隐私保护问题。
- He often came up against the problem of money. 他那时常常碰到钱的问题。
- Overpopulation is a universal problem. 人口过多是全球性的问题。
