在此期间英文

in during at over 等均可

可以。在什么期间，介词用的是during，后面跟的是一段时间，可以用任何时态与之相呼应，这里用的是现在时，因为它描述现在的状况。

在.....期间 during

在此期间 during this timein the meantimeduring this periodthroughout this periodDuring this time they have their books closed. 在这段时间里，学生们把书合上了。Eventually your child will leave home to lead her own life, but in the meantime she relies onyour support. 最终你的孩子将会离开家去过她自己的生活，不过在此期间她依赖你的支持。来源：《柯林斯英汉双解大词典》During this period, the team should be well structured. 在此期间，团队应该好好构建。And throughout this period, we've stood for a set of core principles. 在此期间，我们始终本着一些基本的原则。