This is not currently possible with the "Collapse All" function. However inner-level folds are preserved when they have manually been collapsed within an outer-level fold.
在展开“折叠全部”被折叠以后的外部文件夹，内在文件夹能保持折叠吗？
The detection limitation of PKS using antibodies was 1000 fold higher than Commassie blue staining, ready for detection of the probably very low level of PKS expression in plant.
利用抗体检测pks的检出极限比考马斯亮蓝染色高1000倍，应可用于检测植物中低水平的PKS表达。
Their interior planning is experimental, with apartments ranging from neat one-bedders with fold-out beds to split-level apartments.
其室内规划是实验性的，从整洁的单床配备折叠床到分层公寓。
The Fenpropathrin resistance level are 9.6 and 1.9 fold, the leaf mites of the experimental field having low level resistance.
对灭扫利的测定，两地抗性倍数分别为9.6和1.9倍，试验站的棉叶螨已产生低水平抗性；
Lock the fold hydraulic lever for continuous downward oil flow. If wings are running too high, increase pressure setting to level machine.
对于连续的向下供油应当锁定折叠的液压位置，如果侧翼在工作时太高，应当增加压力使机器水平。
The mRNA level of EMP2 in normal lung was 2 - to 162 - fold higher than that in lung cancer.
EMP2基因在肺癌病人之正常肺组织的表现量较肺肿瘤组织高约2 ~ 162倍。
The variant cell line also expressed high level of cross resistance to ethionine which was 6.5 fold higher than that of the wild type.
同时还表现出对乙硫氨酸的交叉抗性，其抗性是野生型的6．5倍， 表明该抗性系抗性表达稳定。
Risk was increased nearly 9-fold for the combination of very low coffee consumption and high level of serum GGT.
对于咖啡摄取极低与血清ggt水平较高相结合的情况其风险升高将近9倍。
At the 5-fold level, about 78 genes underexpressed and 32 genes overexpressed in the fetal cerebral arteries.
在表达水平相差5倍以上的基因中，32个基因在胎儿脑动脉中高表达，78个基因在胎儿脑动脉中低表达。
Conclusion. There is a 3-fold increase in risk of developing adjacent level disc degeneration in incorrectly marked discs after ACDF at short-term follow-up.
结论：在临近节段退变方面，ACD F术后短期随访表面不正确的椎间盘定位有3倍的风险。
No over 1-fold increase of plasma histamine level was found in all groups.
各组犬血浆组胺升高均未超过1倍以上。
This topic fully had also considered the operation flexibility, used a more popular level in the front backstage design to fold the menu technology.
本课题也充分考虑了操作的灵活性，在前后台的设计上使用了较为流行的层叠菜单技术。
This topic fully had also considered the operation flexibility, used a more popular level in the front backstage design to fold the menu technology.
本课题也充分考虑了操作的灵活性，在前后台的设计上使用了较为流行的层叠菜单技术。
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