Any read-only tree operation is thread-safe as long as there isn't any thread modifying it.
所有只读的树操作都是线程安全的，只要没有线程修改它。
The impregnation temperature and time, the concentration of modifying agent and the pressure of operation were determined.
确定了木材改性处理的浸渍温度、浸渍时间、改性剂浓度和操作压力等工艺参数；
Modifying preparation of standard curve in use of measurement, the method optimizes measuring precision, time, cost, and operation steps.
由于改良了测定中标准曲线的制备，使本发明在测定精度、时间、成本与操作步骤上得以进一步的优化；
Parameters can be set and modified through SIEMENS-OP37 (SIEMENS, Germany), automatic operation and setting and modifying of various parameters.
参数通过SIEMENS - OP 37(德国西门子公司)设置和修改，自动操作及各种参数的设定和修改。
The software has the functions of automatic calculating, displaying, modifying, transferring the parameters, and easy operation.
该软件在 技术上实现自动计算、显示、修改、传递各参数，操作简便。
The utility model which adopts a PLC control system for measuring, recording and modifying various parameters has the characteristics of easy operation, easy modification and easy maintenance.
本实用新型采用PLC控制系统，测量、记录并修改各类参数，具有易操作、易修改、易维护的特点。
Via slip ring disposal and modifying program of rotor one point ground protection, rotor one point ground protection operation again is effectively avoided.
通过对发电机滑环的处理及对转子一点接地保护程序的修改，有效地避免了发电机转子一点接地保护动作的再次发生。
The methods we proposed include adding deterministic simplex searching operation, improving the crossover operator, modifying adaptive crossover probability and adaptive mutation probability.
采用的相关技术包括增加单纯形寻优算子、运用改进的交叉算子、自适应地调整交叉率和变异率等。
Therefore, any operation on a string, including string concatenation, produces a new string object, rather than modifying an existing one.
所以，在字符串上的任何操作，包括字符串连接，都产生一个新的字符串对象，而不是更改一个存在的字符串。
Mainly by modifying the control logic of the burner management system (BMS), the defects of the system are redeemed to enable its reliable operation.
通过修改锅炉燃烧器管理系统(BMS)的控制逻辑和增加保护的投入，弥补了系统的缺陷，保证灭火保护系统安全可靠地投入使用。
Mainly by modifying the control logic of the burner management system (BMS), the defects of the system are redeemed to enable its reliable operation.
通过修改锅炉燃烧器管理系统(BMS)的控制逻辑和增加保护的投入，弥补了系统的缺陷，保证灭火保护系统安全可靠地投入使用。
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