晶体钟

The main differences are the distribution of the stomatal density and the cystolith cells in the upper epidermis and the distribution of the crystals in the mesophyll.

结果表明，品种间在表皮、叶肉和叶脉上的构造基本相似；主要差别在于气孔密度、上表皮细胞中的钟乳体细胞数目及叶肉中晶体的分布。

Shandong factory mainly produces quartz crystal resonator and oscillator clock and so on.

山东工厂主要生产石英晶体谐振器、钟控振荡器等。

Due to the development of digital integrated circuits and quartz crystal oscillators widely used, making digital clock precision, Yun Yun watches over the old.

由于数字集成电路的发展和石英晶体振荡器的广泛应用，使得数字钟的精度，运运超过老式钟表。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。