And because of the limitations of battery technology, traditional submersibles don't give scientists much time on the seafloor; the Alvin's current floor time is four hours.

受蓄电池技术限制，传统的潜水器不能让科学家有很多时间逗留海底，阿尔文号目前的海底作业时间是4小时。

youdao

New functions include regular expression syntax for pattern matching, new date functions such as current date, and new numeric functions such as floor, ceiling and round.

新的功能包括用于模式匹配的正则表达式语法，新的日期函数比如当前日期，还有新的算术函数比如floor, ceiling和round。

youdao

It hopes to develop a floating wind turbine, which it believes would be cheaper to build and install than current offshore models, embedded in the sea floor.

该公司希望能开发一个浮动的风力涡轮机，并相信这种设施的建设与安装调试比现行根植于海底的离岸模式更加省钱。

youdao

He says current knowledge of life on the ocean floor is especially limited.

VOA: special.2009.01.13

This time it intends to double its current floor area of 400, 000 square feet (37, 000 m2) by renovating existing rooms and by building anew on to its current site in midtown Manhattan.

ECONOMIST: Modern architecture is back | The

The plan will see a second level added to the current single floor car park.

BBC: Jersey parking plan to cost ?4.8m says transport minister

However, because it's been so long since Democrats put a budget on the floor, almost half the current senators had not been through the demanding and exhaustive practice.

CNN: Senate passes its first budget proposal in four years