So these two together, l times rho, give us mass per unit area.
这两个量，l乘以ρ,一起给出单位面积上的质量。
L-3 Services, which is based in Chantilly, is a unit of L-3 Communications Inc., located in New York.
位于Chantilly的l - 3服务公司是位于纽约的l - 3通信公司的一个分部。
Teller:Name, quality, unit price and amount of goods, ports of loading and destination, price and payment terms, shipping documents, latest shipment date and validity of the L/C.
商品的品名，数量，单价和种类，装货港和目的地，价格和付款条件，装船单据，最后装运期和到目的地的有效期。
By trial of fully mechanized caving in relatively thinner thick coal seam in Y. J. L. coal Mine, the problems in mining are raised and the ways to increase its unit production are discussed.
通过对云驾岭矿较薄厚煤层综放的开采实践，提出了开采中存在的问题，并对如何提高综放工作面单产进行了探讨。
We introduce natural orders to the underlying Sets of the LF-unit intervals I(L).
在LF单位区间I（L）的底集上引入自然序，利用该序的内蕴拓扑揭示I（L）的更深层的特性。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
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