Although they may not be as packed as some of the other locales on the list, the Minnesota twin cities are still pretty jammed with nearly 7, 000 people per square mile.

虽然这个城市和上述那些城市相比没那么拥挤，但明尼苏达双城仍然挤满了人，近7000人每平方英里。

So plants could be packed tighter, doubling yield per acre, and multiple layers of dwarf crops could be grown per floor.

这样一来，植株就可以排列的更为紧密，每英亩产量也随之翻番，每一层楼内都可以种好几排矮株作物。

It is also packed with carbon: up to 400 tonnes per hectare.

此处碳储量同样丰富：每公顷高达400吨。

To be packed in wooden cases, 30 pieces per case of 40 yd each.

木箱装，每箱装30匹，每匹40码。

We have made it clear in our inquiry that the 1000 ton self-raising flour should arrive here by May 30, 2006, and that it should be packed in plastic bags of 5 kilo per sack for sales.

我们在信中已明确告诉贵方，我们拟购的1000吨自发粉必须在2006年5月30日前抵达这里，且必须用塑料袋包装，每袋5公斤，以便销售。