It is a multicultural flask-shaped structure made up of a narrow neck and a swollen base (venter) that contains the female gamete.

頸卵器狀似長頸燒瓶，由一條細長的頸部和膨大的腹部（內(nèi)含雌性配子）組成。

A vial or round long-necked vessel for laboratory use.

燒瓶實驗用的一種小瓶或長頸容器

a conical flask with a wide base and narrow neck.

寬底、窄頸的錐形燒瓶。

culture flask (Kolle Roux), of glass

長頸玻璃培養(yǎng)瓶（科勒瓶、魯氏瓶）

flask of glass for domestic use (excl. vacuum flasks and leather-covered flasks)

家用玻璃長頸瓶（不包括保溫瓶和皮革包覆的長頸瓶）

flask of glass for laboratory use (e.g., distilling, culture, volumetric)

實驗室用玻璃長頸瓶（例如蒸餾瓶、培養(yǎng)瓶、商量容量瓶）

plastic flask for the commercial conveyance or packing of goods

塑料長頸瓶,用于商業(yè)運輸或包裝貨物

CHINESE ADMINISTRATIVE ECONOMY:THE BOTTLENECK OF THE INTEGRATION OF CHANGSHA-ZHUZHOU-XIANGTAN;

行政區(qū)經(jīng)濟——長株潭經(jīng)濟一體化的瓶頸

Population Bottleneck and its Countermeasures of Economic Integration of CHANG-ZHU-TAN;

長株潭經(jīng)濟一體化的人口瓶頸及對策

The organic layer in the neck of the flask is aspirated into the atomic absorption burner.

滿至燒瓶頸部的有機層被抽吸進入原子吸收燃燒器中。

Simulation on the Neck Growth of the Non-Isometric Biosphere during Initial Sintering;

燒結(jié)初期非等徑雙球模型頸長的模擬

Once the cold water enters the flack, the vapor pressure falls quickly.

一旦冷水進入長頸瓶，水氣壓就迅速下降。

Countermeasures to Bottleneck Problems in the Growth of New Teachers;

解決青年教師成長過程中瓶頸問題的對策

Natural Resource and Economic Growth:Resource Bottleneck and its Solution;

自然資源與經(jīng)濟增長:資源瓶頸及其解決途徑

Simple Analysis on Bottle-neck Effect of Electric Power Market Increasing for Inner Mongolia Power Grid;

淺析內(nèi)蒙古電網(wǎng)電力市場增長點下的瓶頸效應(yīng)

The "Bottleneck" of Human Capital Which Influences the Economic Growth in the West and the Countermeasures;

制約西部經(jīng)濟增長的人力資本“瓶頸”及對策

Eliminating Capital Bottleneck in West Exploition on the Basis of Financial Growth;

消除西部“資金瓶頸”:金融成長視角的分析

CHOKE POINTS AND COUNTERMEASURES RESEARCH FOR FORESTRY ECONOMIC GROWING MANNER OF GHINA;

我國林業(yè)經(jīng)濟增長方式的“瓶頸”制約與對策研究