它的纤维化学性能也是非常稳定的，而且在操作的过程中具有较强的耐酸性能以及耐碱的性能。
It is also the fiber chemical properties is very stable, but also has strong acid resistance and alkali resistance properties in the process of operation.
在晴天，在管制空域内的飞行员可以选择目视飞行规则或者仪表飞行规则的飞行计划，而且联邦航空局的条例是以这样一种方式设计的：在同一空域同时适用目视飞行规则和仪表飞行规则的操作。
On a clear day, a pilot in controlled airspace can choose a VFR or IFR flight plan, and the FAA regulations were devised in a way which accommodates both VFR and IFR operations in the same airspace.
而且在许多操作系统中，任何可以看到进程列表的人都可以看到命令行上的参数。
And, on many operating systems, anyone that can see a list of processes can see the arguments on the command line.
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