At the national level, there are legal obstacles too.

在国家层面，也存在法律障碍。

It was put in place to unify the country at the national level.

公制被用来作为统一国家的工具。

But despite this there is little sign of change at the national level.

但尽管如此，在国家层面上几乎没有变化的迹象。

Many other medicines approved at the national level could also be at risk.

很多国家层面批准的其它药品也可能会面临风险。

It also reflects a broader struggle over REDD in Indonesia being fought at the national level.

它也反映出在印度尼西亚关于REDD方面的斗争是全国范围的。

At the national level, where governments typically spend about 40% of GDP, Europeans have been culpably overcautious.

在国家层面，政府支出通常占GDP的40%左右，欧洲国家的谨慎是罪魁祸首。

The city of 9 million people did not follow what Lopez Obrador did at the national level.

这个拥有 900 万人口的城市并没有效仿洛佩斯·奥夫拉多尔在国家层面上的做法。

At the national level and regional level, as well as global level, these kind of laws are needed.

在国家和地区层面，以及全球层面，都需要这样的法律。

And they forecast how bad it's going to get: at the national level, regionally, state by state.

另外，流行病学家还从国家层面、区域层面以及州水平对流感疫情的发展程度进行了预测。

There are many other types of law enforcement officers at the national level.

在国家一级还有许多其他类型的执法人员。

Health officials have reported more success with expectant mothers at the national level.

卫生官员报告说，在全国范围内，准妈妈们取得了更大的成功。

It's not just at the national level but also at the local level.

不仅在国家层面，在地方层面也是如此。

American government has three branches, both at the national level as well as at the state level.

美国政府在国家层面和州层面都有三个分支。

It also creates a new criminal offense - " ecocide" - for the most serious cases of environmental damage at the national level.

法院还为全国范围内最严重的环境破案案件设立了新的刑事犯罪罪名——生态灭绝。

Right now, it's a little bit of a complicated time for many countries, at the national level, around climate-change policy.

现在，对于许多国家来说，在国家层面上，气候变化政策有点复杂。

Experts say an increase in the political representation of women at the national level does not mean women will have power in daily life.

专家表示，国家层面女性政治代表增多并不意味着女性在日常生活中拥有权力。

One way to figure out how to keep Roosevelt from becoming a major figure at the national level is to make him Vice President.

一种避免让他成为国家层面的重要人物的方法就是让他当上副总统。

Within the context of climate change, of course, what is done at the national level feeds into regional level and to the global level.

在气候变化的背景下，在国家层面所做的事情会反馈到区域层面和全球层面。

The legislative branch at the national level, for our federal government, consists of the House of Representatives and the U.S. Senate.

对于我们的联邦政府来说，国家层面的立法部门由众议院和美国参议院组成。

I was convinced that there's a need to build a platform to bring out this important story at the national level.

我坚信有必要建立一个平台，在全国范围内传播这个重要的故事。