I saw some problems (e.g. the symbol space for XPath is unlimited) but I missed this one.

我发现了一些问题(例如，XPath的符号空间是无限的)，但我遗漏了这个问题。

youdao

For example, in Morse code the dots and dashes of a character are separated by an inter character space, which is three times the duration of an inter symbol space.

例如，在莫尔斯电码中，字的点、划是由符号间的空格来分开的，而字符之间又是由字符间的空格分开的，字符间空格的时长是符号间空格的三倍。

youdao

In popular culture, it remains as much of a symbol of Seattle as the Space Needle, the persistent drizzle and the excellent, ubiquitous, coffee shops.

在流行文化中，它仍然是西雅图的象征，就像太空针塔、绵绵细雨和无处不在的咖啡馆一样。

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Still, Lanza believes that's enough to make the company competitive against the likes of Sun Microsystems and Symbol Technologies for leadership in the space.

FORBES: Magazine Article

Many of those gathered in the bike box at junctions - that space marked with a bike symbol that cars and vans creep into - say they notice little difference and question the benefits.

BBC: How super? What cyclists make of superhighways

Russia's presence in the Russian-speaking city is also a symbol of wider influence across the post-Soviet space.

ECONOMIST: Ukraine and Russia