These provide base for the correct measurement and valuing of graptolite reflectivity.从而为笔石反射率的正确测定和取值奠定了基础.The black graptolite shale facies indicate a deep - water, half enclosed and anoxic sedimentary environment.中奥陶世...
How can I determine a dachshund has the sable pattern?我该如何确定这一只腊肠是否有黑毛尾花色?Accidentally , my Dachshund Basset Hound gave birth to a mongrel.前腿向内弯曲, 通常发生在一些短腿的犬种如巴塞特猎犬.Rolling on earthworms or dead bugs, for example, is a ...
Commercial AM stations operate in the frequency range of 535 to 1605 kHz.商业调幅电台的运作频率范围为535千赫(kHz)到1605千赫.The best known solution to the 4 KHz bottleneck is ISDN.解决4KHz瓶颈最有名的方案是ISDN( 综合服务数据网).Some Horseshoe bats can detec...
拖船擦着我们的船尾开了过去，距离不到50码。The tug crossed our stern not fifty yards away.船长在船尾，假装睡着了。The captain was astern, pretending he was sleeping.格雷厄姆坐在船尾, 凝望着地平线.Graham sat aft , looking steadily out to the horizon....