XL

音标发音

Liang X Q. Xie D S. Lu X L Safety Evaluation and Monitoring of Shock in Water to the Surroundings on Blasting Toe-shooting.
梁向前。谢定松。陆遐龄爆破挤淤水中冲击波对环境影响的安全评估与监测。
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The baffling Drake equation reads: N = R* x Fp x Ne x Fi x Fc x L, and helped pioneering scientist Professor Drake to predict that there could be 10, 000 civilisations in our galaxy.
这一令人费解的“德雷克等式”为N = R* x Fp x Ne x Fi x Fc x L，先驱科学家德雷克教授曾利用该公式作出预测：银河系中可能存在1万种文明。
The diameter of cuttings, substrates, planting time and other environmental factors for Liriodendron chinense x L. tulipifera are studied with opposite test, uniform test and orthogonal test.
通过一系列试验，研究了插穗粗细及扦插基质、扦插时间等环境因子与杂种马褂木扦插生根的关系。

The violin string extends from x equals zero to x equals L, and we pluck the violin string.
弦从X轴指向原点,让x等于L，然后我们拉直那根弦。
麻省理工公开课 - 固态化学导论课程节选
Y You don't want to rename them L and R or X and Y right because you want to call them left and right.
你不想把它们重命名为L和R，或者X和,因为你想叫它们为left和。
哈佛公开课 - 计算机科学课程节选

With its diminutive footprint -- just a mere 128.6 mm (L) x 82 mm (W) by 9.9 mm (H), -- sleek design and recyclable aluminum enclosure, users now have a stylish drive to help them move, work and play with their digital content.
ENGADGET: Hitachi GST's G-Drive Slim: world's thinnest 2.5-inch external hard drive
When the typical middle-aged male goes to buy a shirt, his heart sinks as he looks at the label with its "L" preceded by numerous "X"s.
FORBES: Fact and Comment