英语词汇key bed怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

key bed

释义

key bed

简明释义

标准层

网络释义

1
?标准层
... kettle depression 锅状陷落地 key bed 标准层 key fossil 指示化石 ...
2
?标志层
... 辅助标准层auxiliary key horizon 标志层key bed 地层产状formation occurrence ...
3
[计]?键座
... key bar 键棒；定位键，定位筋(电机的) key bed 键槽；键座 keyboard 开关板；键盘；按钮，电键板 ...
4
[机]?键槽
... key bar 键棒；定位键，定位筋(电机的) key bed 键槽；键座 keyboard 开关板；键盘；按钮，电键板 ...

短语

1
surface key bed
地表基准层
2
pyroclastic key bed
火成碎屑物键层
3
Event key bed
事件标志层

双语例句

1
At the section with non lithology key bed, the key bed could be selected according to the lithology combination and the particle variation.
在无岩性标志层的层段，则根据岩性组合及粒度变化选择标志层。
2
Later in the paper, a correlation between the main coal-seams in this province is made, in combination with the traditional method of the key bed, coal petrography and palaeontology.
然后，结合传统的标志层法、煤岩学及古生物学方法，对该区主要煤层进行对比。
3
I heard the key turn in the front door and I was out of bed like a shot.
我听见钥匙开前门的声音，立刻从床上起来了。
《柯林斯英汉双解大词典》

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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	key bed
释义	key bed 简明释义标准层网络释义 1 ?标准层 ... kettle depression 锅状陷落地 key bed 标准层 key fossil 指示化石 ... 2 ?标志层 ... 辅助标准层auxiliary key horizon 标志层key bed 地层产状formation occurrence ... 3 [计]?键座 ... key bar 键棒；定位键，定位筋(电机的) key bed 键槽；键座 keyboard 开关板；键盘；按钮，电键板 ... 4 [机]?键槽 ... key bar 键棒；定位键，定位筋(电机的) key bed 键槽；键座 keyboard 开关板；键盘；按钮，电键板 ... 短语 1 surface key bed 地表基准层 2 pyroclastic key bed 火成碎屑物键层 3 Event key bed 事件标志层双语例句 1 At the section with non lithology key bed, the key bed could be selected according to the lithology combination and the particle variation. 在无岩性标志层的层段，则根据岩性组合及粒度变化选择标志层。 2 Later in the paper, a correlation between the main coal-seams in this province is made, in combination with the traditional method of the key bed, coal petrography and palaeontology. 然后，结合传统的标志层法、煤岩学及古生物学方法，对该区主要煤层进行对比。 3 I heard the key turn in the front door and I was out of bed like a shot. 我听见钥匙开前门的声音，立刻从床上起来了。《柯林斯英汉双解大词典》
随便看	slab wall slab warping slab waveguide slab waveguides slab waveguide shape birefringence slab wax slab winding slab wing slab with haunched ribs slab with ribs tuned-up slab with ribs turned-up slab with slightly curved bottom slab with stiffened edges slabwood slaby slab yard slab zinc SLAC slack slack action slack adjuster slack adjuster block slack adjuster frame slack adjuster pull rod slack adjuster worm