爱因斯坦也无法知道由盘型传感器产生的超声波振动能将空中这些玻璃微珠钳除，再在它们悬垂在空中移动时进行测量。
Nor would he have known that ultrasonic vibrations from a plate-like transducer would shake those glass beads into the air to be tweezed and measured as they moved in suspension.
英国天文学家和股票经纪人，他发现了日全食时围绕月盘的光珠现象（现在被称作“卑栗珠”）。
English astronomer and stockbroker who discovered the beads of light phenomenon (now called BAILY'S BEADS) that occurs around the LUNAR disk during a total ECLIPSE of the SUN.
大胞子四分体线形排列，合点端大孢子为功能大孢子，胚囊发育类型为蓼型，具有特化的珠被绒毡层和承珠盘。
Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.
介绍了新型变直径灌注桩——挤扩支盘桩和旋扩珠盘桩的工作原理、主要优缺点。
The paper introduces the working principle and the merits and drawbacks of new-type variational diameter cast-in-place piles-the piles with plates by compaction and the piles with plates by rotation.
介绍了新型变直径灌注桩——挤扩支盘桩和旋扩珠盘桩的工作原理、主要优缺点。
The paper introduces the working principle and the merits and drawbacks of new-type variational diameter cast-in-place piles-the piles with plates by compaction and the piles with plates by rotation.
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