xc
abbr.
cross-country 横穿全国的;
越野的（代号）;
ex coupon 无利券;
X-chromosomeX 染色体（性染色体的一种，与Y染色体相配）;
例句:
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XC may involve flying over unlandable areas and landing in new LZs.
XC可以使你飞行降落在从未到过的区域及落在新的降落区.
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It comprises XC polymer, YDC LN additive and water soluble weighting agent.
该体系主要由XC聚合物和YDC-LN助剂以及可水溶性加重剂组成.
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A linear relation between shrinkage also tensile Strength and the function of amorphous orientation state, ( 1 - Xc ) fam , was founded.
共聚酯纤维的收缩率及力学强度与表征纤维的无定形取向状态的函数 ( 1-Xc ) fam 呈线性关系.