It means this tennis ball... while it is in free fall, it has no weight.

再比如说这个网球。，自由落体过程中它没有重量。

youdao

If this option is empty or not set, it means this rule applies to all roles.

如果这个选项是空的或是没有设置，这意味着这个规则适用于所有的角色。

youdao

If the method returns null, it means this is the first time through, so the servlet needs to retrieve the list from the database.

如果方法返回空，意味着这是第一次访问，所以servlet需要从数据库检索列表。

youdao

European Commission President Jose Manuel Barroso said this means the government believes it does not need the support.

VOA: special.2010.02.12

So in other words, if thankful is still false at this point, it means this condition did not work out very well, and so I'm going to do this block of code again.

换句话说，如果thankful在这时候还是false值，这表示这个条件没有实现地很好，所以我将再次去处理这段代码。

哈佛公开课 - 计算机科学课程节选

R/Cv OK, so that means that this is really instead of -1 R over Cv. it's really gamma minus one.

现在,变成了γ

麻省理工公开课 - 热力学与动力学课程节选

And it means this country will reduce our oil consumption by more than 2 million barrels a day.

WHITEHOUSE: President Obama at the University of Miami

It means this particular G-Class can hit 160mph even if it only spends most of its life doing a much more sedate 6mph.

CNN: Holy rollers: Popemobiles from trucks to limos

"It's tremendous news for us because it means this is one step further on restoring the canal to link up with the national network and the River Wey navigation in Guildford, Surrey, " she said.

BBC: Wey and Arun Canal restoration: Boats back in Surrey