And because of the limitations of battery technology, traditional submersibles don't give scientists much time on the seafloor; the Alvin's currentfloor 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。
2
The current theory is that when fire from Allied air raids in 1944 consumed 50 konigstrasse, the contents of Oewerdieck's office fell through the floor, and then the building collapsed on top.
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.