Retail prices of staple foods remain unchanged.

主要食售价保持不。

In other words, The Hermiticity of a matrix is invariant under unitary transformations.

换言之，矩阵厄密性在幺正换下保持不。

Thestabilized powders have obvious better oxidation resistance than unstabilized Pow-ders.And the other physical and chemical properties remain constant.

经钝化处理后粉末，其抗氧化性显著提高，而其他理性能及化学组成基本保持不。

No other trigraph sequence exists. Each ? that does not begin one of the trigraphs listed above is not changed.

不存在其他三连符。每个不是上述某个三连符开始?将保持不。

A new concept is proposed,under which by utilizing a proven simple-cycle marine gas turbine a type of intercooling-cycle high-power marine gas turbine has been derived.

提出利用成熟简单循环船用机将其派生为一型间冷循环大功率船用机新构想,并且原发动机发生器通流部分和结构大部分保持不,以继承原机可靠性。