two-dimensional time

She clipped two seconds off her previous best time.

她把自己之前的最佳纪录缩短了两秒。

a suicide pact (= an agreement by two or more people to kill themselves at the same time)

自杀协议（两人或多人约定同时自杀）

The score at half-time was two all.

上半场比分为二平。

Were you at any time aware of a quarrel between the two of them?

你什么时候注意到他俩拌过嘴吗？

We made excellent time and arrived in Spain in two days.

我们一路很顺当，两天后就到了西班牙。

Remote sensing image is the electromagnetic radiation record of surface features' high altitude satellite observation, two-dimensional projection of surface features 'Three-Dimension info and comprehensive Description of surface features' spectrum, space and time info.

遥感数字影像是通过卫星高空拍摄地物电磁辐射记录，是地物三维信息的二维投影，是地物的波谱信息、空间信息和时间信息的综合描述。