Instead it is a slightly threatening way of asserting: I'm right and I have logic on my side.

恰恰相反，这是一种略带威胁口吻的断言：我说的是对的，逻辑站在我这一边。

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These methods can be handy when it comes to asserting that a script correctly runs, asserting the lengths of various array types and the contents of various array types, and more.

可以用这些方法很方便地断言脚本的运行是否正确，以及断言各种数组类型的长度和内容等。

youdao

The solution for these partners included a Federated Identity model where the Consuming Application authenticates its local users and makes web services requests asserting an employee's identity.

这些合作伙伴的解决方案包括联合的身分（Federated Identity）模型，在这个模型中，消费应用程序（Consuming Application）验证它的本地用户并使 Web 服务请求断言雇员的身份。

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As a way of asserting that his medical studies (a concession to his physician father) were in vain, Berlioz threw himself out the window of a dissecting lab.

NPR: 'The Childhood Of Christ' In Concert

Moreover, I am asserting my readiness to submit, at a later time, an (additional) request to change any other clauses referred to me by the constitutional committee, according to the needs and justifications it sees fit.

BBC: Egypt unrest: Full text of Hosni Mubarak's speech

And in January, the Intergovernmental Panel on Climate Change (IPCC) admitted that it had made a mistake in asserting that Himalayan glaciers could disappear by 2035.

BBC: Climate scepticism 'on the rise', BBC poll shows