dam是什么意思

双语用例

• It consists of a small man-made dam surrounded by a recreational park, and is c. 16 km2 in area.

• They then join with community members in participatory processes in order to evaluate dam planning.

• Each subfamily was obtained by crossing one sire with five dams.

• In this pedigree only 7 dams were crossed with more than 1 sire while 6 sires were mated with more than one dam.

• Because each dam was mated with only one sire, 146 full-sib families and ten half-sib families were produced.

• This is a simple half-sib population, with each sire having 30 progeny and each dam only one progeny.

• If s1 is chosen in this way, then the upstream dam will normally be larger, and the downstream smaller.

• Canoeing took place on a farm dam which was filled by pump from the local river.