ektexine

英式音标：[ek'teksi:n]播放读音

美式音标：[ek'teksɪn]播放读音

词义：

n.

外壁，外表层；

用法：

权威例句

Orbicules and the ektexine are homologous sporopollenin concretions in Spermatophyta

Heat transfer effect of cylinder ektexine on air temperature in greenhouse

Two kinds of new characteristics of the ektexine ornamentation of ginkgo pollen

Design on turning process equipment of the ektexine of thin-walled long shell

Microanalysis on Ektexine Corrosion Film of Low-temperature Reheater Tube for 1 000 MW Supercritical Boiler

Study on Ultrasonic Liquid Level Measurement on the Ektexine of Seal Vessel

Microscopic Analysis on Ektexine Corrosion Film of Last Class Superheater Pipe for Supercritical Boiler

Reasons and consequences of the lack of a sporopollenin ektexine in Aroideae (Araceae)

Stepped-frequency ultrasonic detection for finding ektexine rust of steel tube of under ground gas storage well

Application of Chemical Cleaning and Passivation to the Ektexine of the Pipelines in the Convection of Reheat Furnace

同义词：theca

造句：

1. Structure of a pulsar — a rotating magnetic neutron star.

脉冲星的结构.一颗旋转磁中子星.

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2. A pulsar is a celestial object that emits light in short burst.

脉冲星是一种能够发出光脉冲的天体.

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3. We'll look for these with a " pulsar timing array. "

我们将使用 “ 脉冲星时间校准阵列 ” 来寻找这些信号.

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4. Pulsar : A dense, rapidly rotating star that emits pulses of light.

脉冲星: 高密度 、 快速旋转、发射脉冲光的星体.

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5. The perspective of the pulsar observation of the FAST program is outlined.

展望了FAST望远镜观测脉冲星的前景.

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[ pulsar 造句 ]